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Finding the Fourth Proportional to 60,359.95, 90,541.83 and 28,773.46

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Solution

The fourth proportional to 60,359.95, 90,541.83 and 28,773.46 is: 43,161.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,359.95 : 90,541.83 = 28,773.46 : x
  2. Step 2: Convert to fraction form
    60,359.95/90,541.83 = 28,773.46/x
  3. Step 3: Cross multiply
    60,359.95x = 90,541.83 × 28,773.46
  4. Step 4: Simplify right side
    60,359.95x = 2,605,201,944.91
  5. Step 5: Solve for x
    x = 2,605,201,944.91/60,359.95
  6. Step 6: Final answer
    x = 43,161.10

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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.