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Finding the Fourth Proportional to 57,001.32, 85,501.98 and 15,448.32

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Solution

The fourth proportional to 57,001.32, 85,501.98 and 15,448.32 is: 23,172.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,001.32 : 85,501.98 = 15,448.32 : x
  2. Step 2: Convert to fraction form
    57,001.32/85,501.98 = 15,448.32/x
  3. Step 3: Cross multiply
    57,001.32x = 85,501.98 × 15,448.32
  4. Step 4: Simplify right side
    57,001.32x = 1,320,861,947.67
  5. Step 5: Solve for x
    x = 1,320,861,947.67/57,001.32
  6. Step 6: Final answer
    x = 23,172.48

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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.