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Finding the Fourth Proportional to 59,887.20, 89,818.20 and 30,277.20

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Solution

The fourth proportional to 59,887.20, 89,818.20 and 30,277.20 is: 45,409.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,887.20 : 89,818.20 = 30,277.20 : x
  2. Step 2: Convert to fraction form
    59,887.20/89,818.20 = 30,277.20/x
  3. Step 3: Cross multiply
    59,887.20x = 89,818.20 × 30,277.20
  4. Step 4: Simplify right side
    59,887.20x = 2,719,443,605.04
  5. Step 5: Solve for x
    x = 2,719,443,605.04/59,887.20
  6. Step 6: Final answer
    x = 45,409.43

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1.5x scale

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.