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Finding the Fourth Proportional to 60,362.64, 90,545.87 and 28,776.15

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Solution

The fourth proportional to 60,362.64, 90,545.87 and 28,776.15 is: 43,165.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,362.64 : 90,545.87 = 28,776.15 : x
  2. Step 2: Convert to fraction form
    60,362.64/90,545.87 = 28,776.15/x
  3. Step 3: Cross multiply
    60,362.64x = 90,545.87 × 28,776.15
  4. Step 4: Simplify right side
    60,362.64x = 2,605,561,537.00
  5. Step 5: Solve for x
    x = 2,605,561,537.00/60,362.64
  6. Step 6: Final answer
    x = 43,165.14

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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.