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Finding the Fourth Proportional to 48,266.70, 72,400.05 and 32,520.30

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Solution

The fourth proportional to 48,266.70, 72,400.05 and 32,520.30 is: 48,780.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,266.70 : 72,400.05 = 32,520.30 : x
  2. Step 2: Convert to fraction form
    48,266.70/72,400.05 = 32,520.30/x
  3. Step 3: Cross multiply
    48,266.70x = 72,400.05 × 32,520.30
  4. Step 4: Simplify right side
    48,266.70x = 2,354,471,346.02
  5. Step 5: Solve for x
    x = 2,354,471,346.02/48,266.70
  6. Step 6: Final answer
    x = 48,780.45

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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.