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Finding the Fourth Proportional to 61,873.46, 92,815.55 and 19,759.53

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Solution

The fourth proportional to 61,873.46, 92,815.55 and 19,759.53 is: 29,641.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,873.46 : 92,815.55 = 19,759.53 : x
  2. Step 2: Convert to fraction form
    61,873.46/92,815.55 = 19,759.53/x
  3. Step 3: Cross multiply
    61,873.46x = 92,815.55 × 19,759.53
  4. Step 4: Simplify right side
    61,873.46x = 1,833,991,644.69
  5. Step 5: Solve for x
    x = 1,833,991,644.69/61,873.46
  6. Step 6: Final answer
    x = 29,641.01

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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.