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Finding the Fourth Proportional to 61,709.79, 92,567.89 and 19,593.17

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Solution

The fourth proportional to 61,709.79, 92,567.89 and 19,593.17 is: 29,390.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,709.79 : 92,567.89 = 19,593.17 : x
  2. Step 2: Convert to fraction form
    61,709.79/92,567.89 = 19,593.17/x
  3. Step 3: Cross multiply
    61,709.79x = 92,567.89 × 19,593.17
  4. Step 4: Simplify right side
    61,709.79x = 1,813,698,530.97
  5. Step 5: Solve for x
    x = 1,813,698,530.97/61,709.79
  6. Step 6: Final answer
    x = 29,390.77

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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.