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Finding the Fourth Proportional to 61,709.69, 92,564.84 and 14,962.56

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Solution

The fourth proportional to 61,709.69, 92,564.84 and 14,962.56 is: 22,443.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,709.69 : 92,564.84 = 14,962.56 : x
  2. Step 2: Convert to fraction form
    61,709.69/92,564.84 = 14,962.56/x
  3. Step 3: Cross multiply
    61,709.69x = 92,564.84 × 14,962.56
  4. Step 4: Simplify right side
    61,709.69x = 1,385,006,972.39
  5. Step 5: Solve for x
    x = 1,385,006,972.39/61,709.69
  6. Step 6: Final answer
    x = 22,443.91

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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.