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Finding the Fourth Proportional to 61,874.87, 92,797.41 and 28,562.93

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Solution

The fourth proportional to 61,874.87, 92,797.41 and 28,562.93 is: 42,837.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,874.87 : 92,797.41 = 28,562.93 : x
  2. Step 2: Convert to fraction form
    61,874.87/92,797.41 = 28,562.93/x
  3. Step 3: Cross multiply
    61,874.87x = 92,797.41 × 28,562.93
  4. Step 4: Simplify right side
    61,874.87x = 2,650,565,462.02
  5. Step 5: Solve for x
    x = 2,650,565,462.02/61,874.87
  6. Step 6: Final answer
    x = 42,837.52

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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.