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Finding the Fourth Proportional to 9,062.60, 13,593.90 and 7,910.60

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Solution

The fourth proportional to 9,062.60, 13,593.90 and 7,910.60 is: 11,865.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,062.60 : 13,593.90 = 7,910.60 : x
  2. Step 2: Convert to fraction form
    9,062.60/13,593.90 = 7,910.60/x
  3. Step 3: Cross multiply
    9,062.60x = 13,593.90 × 7,910.60
  4. Step 4: Simplify right side
    9,062.60x = 107,535,905.34
  5. Step 5: Solve for x
    x = 107,535,905.34/9,062.60
  6. Step 6: Final answer
    x = 11,865.90

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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.