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Finding the Fourth Proportional to 48,337.59, 72,509.84 and 20,229.34

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Solution

The fourth proportional to 48,337.59, 72,509.84 and 20,229.34 is: 30,345.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,337.59 : 72,509.84 = 20,229.34 : x
  2. Step 2: Convert to fraction form
    48,337.59/72,509.84 = 20,229.34/x
  3. Step 3: Cross multiply
    48,337.59x = 72,509.84 × 20,229.34
  4. Step 4: Simplify right side
    48,337.59x = 1,466,826,105.56
  5. Step 5: Solve for x
    x = 1,466,826,105.56/48,337.59
  6. Step 6: Final answer
    x = 30,345.45

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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.