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Finding the Fourth Proportional to 69,893.92, 96,551.64 and 62,337.84

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Solution

The fourth proportional to 69,893.92, 96,551.64 and 62,337.84 is: 86,113.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,893.92 : 96,551.64 = 62,337.84 : x
  2. Step 2: Convert to fraction form
    69,893.92/96,551.64 = 62,337.84/x
  3. Step 3: Cross multiply
    69,893.92x = 96,551.64 × 62,337.84
  4. Step 4: Simplify right side
    69,893.92x = 6,018,820,686.06
  5. Step 5: Solve for x
    x = 6,018,820,686.06/69,893.92
  6. Step 6: Final answer
    x = 86,113.65

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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.