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Finding the Fourth Proportional to 61,702.43, 92,562.68 and 19,568.45

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Solution

The fourth proportional to 61,702.43, 92,562.68 and 19,568.45 is: 29,355.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,702.43 : 92,562.68 = 19,568.45 : x
  2. Step 2: Convert to fraction form
    61,702.43/92,562.68 = 19,568.45/x
  3. Step 3: Cross multiply
    61,702.43x = 92,562.68 × 19,568.45
  4. Step 4: Simplify right side
    61,702.43x = 1,811,308,455.77
  5. Step 5: Solve for x
    x = 1,811,308,455.77/61,702.43
  6. Step 6: Final answer
    x = 29,355.55

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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.