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Finding the Fourth Proportional to 47,229.68, 65,176.85 and 25,719.12

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Solution

The fourth proportional to 47,229.68, 65,176.85 and 25,719.12 is: 35,492.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,229.68 : 65,176.85 = 25,719.12 : x
  2. Step 2: Convert to fraction form
    47,229.68/65,176.85 = 25,719.12/x
  3. Step 3: Cross multiply
    47,229.68x = 65,176.85 × 25,719.12
  4. Step 4: Simplify right side
    47,229.68x = 1,676,291,290.67
  5. Step 5: Solve for x
    x = 1,676,291,290.67/47,229.68
  6. Step 6: Final answer
    x = 35,492.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.