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Finding the Fourth Proportional to 62,358.30, 86,056.56 and 34,065.78

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Solution

The fourth proportional to 62,358.30, 86,056.56 and 34,065.78 is: 47,011.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,358.30 : 86,056.56 = 34,065.78 : x
  2. Step 2: Convert to fraction form
    62,358.30/86,056.56 = 34,065.78/x
  3. Step 3: Cross multiply
    62,358.30x = 86,056.56 × 34,065.78
  4. Step 4: Simplify right side
    62,358.30x = 2,931,583,840.52
  5. Step 5: Solve for x
    x = 2,931,583,840.52/62,358.30
  6. Step 6: Final answer
    x = 47,011.93

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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.