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Finding the Fourth Proportional to 62,756.70, 86,603.76 and 34,462.32

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Solution

The fourth proportional to 62,756.70, 86,603.76 and 34,462.32 is: 47,557.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,756.70 : 86,603.76 = 34,462.32 : x
  2. Step 2: Convert to fraction form
    62,756.70/86,603.76 = 34,462.32/x
  3. Step 3: Cross multiply
    62,756.70x = 86,603.76 × 34,462.32
  4. Step 4: Simplify right side
    62,756.70x = 2,984,566,490.32
  5. Step 5: Solve for x
    x = 2,984,566,490.32/62,756.70
  6. Step 6: Final answer
    x = 47,557.73

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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.