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Finding the Fourth Proportional to 57,648.70, 79,545 and 32,498.20

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Solution

The fourth proportional to 57,648.70, 79,545 and 32,498.20 is: 44,841.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,648.70 : 79,545 = 32,498.20 : x
  2. Step 2: Convert to fraction form
    57,648.70/79,545 = 32,498.20/x
  3. Step 3: Cross multiply
    57,648.70x = 79,545 × 32,498.20
  4. Step 4: Simplify right side
    57,648.70x = 2,585,069,319
  5. Step 5: Solve for x
    x = 2,585,069,319/57,648.70
  6. Step 6: Final answer
    x = 44,841.76

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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.