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Finding the Fourth Proportional to 9,176.60, 13,764.90 and 9,030.80

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Solution

The fourth proportional to 9,176.60, 13,764.90 and 9,030.80 is: 13,546.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,176.60 : 13,764.90 = 9,030.80 : x
  2. Step 2: Convert to fraction form
    9,176.60/13,764.90 = 9,030.80/x
  3. Step 3: Cross multiply
    9,176.60x = 13,764.90 × 9,030.80
  4. Step 4: Simplify right side
    9,176.60x = 124,308,058.92
  5. Step 5: Solve for x
    x = 124,308,058.92/9,176.60
  6. Step 6: Final answer
    x = 13,546.20

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1.5x scale

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.