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Finding the Fourth Proportional to 9,361,657.80, 14,042,486.70 and 2,972,410.20

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Solution

The fourth proportional to 9,361,657.80, 14,042,486.70 and 2,972,410.20 is: 4,458,615.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,361,657.80 : 14,042,486.70 = 2,972,410.20 : x
  2. Step 2: Convert to fraction form
    9,361,657.80/14,042,486.70 = 2,972,410.20/x
  3. Step 3: Cross multiply
    9,361,657.80x = 14,042,486.70 × 2,972,410.20
  4. Step 4: Simplify right side
    9,361,657.80x = 41,740,030,700,444.34
  5. Step 5: Solve for x
    x = 41,740,030,700,444.34/9,361,657.80
  6. Step 6: Final answer
    x = 4,458,615.30

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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.