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Finding the Fourth Proportional to 48,266.80, 72,400.20 and 32,520.40

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Solution

The fourth proportional to 48,266.80, 72,400.20 and 32,520.40 is: 48,780.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,266.80 : 72,400.20 = 32,520.40 : x
  2. Step 2: Convert to fraction form
    48,266.80/72,400.20 = 32,520.40/x
  3. Step 3: Cross multiply
    48,266.80x = 72,400.20 × 32,520.40
  4. Step 4: Simplify right side
    48,266.80x = 2,354,483,464.08
  5. Step 5: Solve for x
    x = 2,354,483,464.08/48,266.80
  6. Step 6: Final answer
    x = 48,780.60

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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.