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Finding the Fourth Proportional to 10,617.96, 15,924.88 and 10,091.13

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Solution

The fourth proportional to 10,617.96, 15,924.88 and 10,091.13 is: 15,134.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,617.96 : 15,924.88 = 10,091.13 : x
  2. Step 2: Convert to fraction form
    10,617.96/15,924.88 = 10,091.13/x
  3. Step 3: Cross multiply
    10,617.96x = 15,924.88 × 10,091.13
  4. Step 4: Simplify right side
    10,617.96x = 160,700,034.31
  5. Step 5: Solve for x
    x = 160,700,034.31/10,617.96
  6. Step 6: Final answer
    x = 15,134.74

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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.