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Finding the Fourth Proportional to 60,499.38, 90,730.84 and 28,893.14

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Solution

The fourth proportional to 60,499.38, 90,730.84 and 28,893.14 is: 43,331.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,499.38 : 90,730.84 = 28,893.14 : x
  2. Step 2: Convert to fraction form
    60,499.38/90,730.84 = 28,893.14/x
  3. Step 3: Cross multiply
    60,499.38x = 90,730.84 × 28,893.14
  4. Step 4: Simplify right side
    60,499.38x = 2,621,498,862.44
  5. Step 5: Solve for x
    x = 2,621,498,862.44/60,499.38
  6. Step 6: Final answer
    x = 43,331.00

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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.