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Finding the Fourth Proportional to 62,581.46, 86,349.47 and 35,732.70

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Solution

The fourth proportional to 62,581.46, 86,349.47 and 35,732.70 is: 49,303.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,581.46 : 86,349.47 = 35,732.70 : x
  2. Step 2: Convert to fraction form
    62,581.46/86,349.47 = 35,732.70/x
  3. Step 3: Cross multiply
    62,581.46x = 86,349.47 × 35,732.70
  4. Step 4: Simplify right side
    62,581.46x = 3,085,499,528.01
  5. Step 5: Solve for x
    x = 3,085,499,528.01/62,581.46
  6. Step 6: Final answer
    x = 49,303.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.