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Finding the Fourth Proportional to 61,524.87, 92,308.71 and 19,411.45

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Solution

The fourth proportional to 61,524.87, 92,308.71 and 19,411.45 is: 29,123.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,524.87 : 92,308.71 = 19,411.45 : x
  2. Step 2: Convert to fraction form
    61,524.87/92,308.71 = 19,411.45/x
  3. Step 3: Cross multiply
    61,524.87x = 92,308.71 × 19,411.45
  4. Step 4: Simplify right side
    61,524.87x = 1,791,845,750.75
  5. Step 5: Solve for x
    x = 1,791,845,750.75/61,524.87
  6. Step 6: Final answer
    x = 29,123.93

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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.