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Finding the Fourth Proportional to 32,507.17, 48,720.85 and 18,478.95

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Solution

The fourth proportional to 32,507.17, 48,720.85 and 18,478.95 is: 27,695.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,507.17 : 48,720.85 = 18,478.95 : x
  2. Step 2: Convert to fraction form
    32,507.17/48,720.85 = 18,478.95/x
  3. Step 3: Cross multiply
    32,507.17x = 48,720.85 × 18,478.95
  4. Step 4: Simplify right side
    32,507.17x = 900,310,151.11
  5. Step 5: Solve for x
    x = 900,310,151.11/32,507.17
  6. Step 6: Final answer
    x = 27,695.74

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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.