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Finding the Fourth Proportional to 9,578,657.80, 14,367,986.70 and 9,200,744.20

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Solution

The fourth proportional to 9,578,657.80, 14,367,986.70 and 9,200,744.20 is: 13,801,116.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,578,657.80 : 14,367,986.70 = 9,200,744.20 : x
  2. Step 2: Convert to fraction form
    9,578,657.80/14,367,986.70 = 9,200,744.20/x
  3. Step 3: Cross multiply
    9,578,657.80x = 14,367,986.70 × 9,200,744.20
  4. Step 4: Simplify right side
    9,578,657.80x = 132,196,170,295,702.12
  5. Step 5: Solve for x
    x = 132,196,170,295,702.12/9,578,657.80
  6. Step 6: Final answer
    x = 13,801,116.30

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.