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Finding the Fourth Proportional to 57,775.80, 79,722.54 and 32,281.08

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Solution

The fourth proportional to 57,775.80, 79,722.54 and 32,281.08 is: 44,543.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,775.80 : 79,722.54 = 32,281.08 : x
  2. Step 2: Convert to fraction form
    57,775.80/79,722.54 = 32,281.08/x
  3. Step 3: Cross multiply
    57,775.80x = 79,722.54 × 32,281.08
  4. Step 4: Simplify right side
    57,775.80x = 2,573,529,691.54
  5. Step 5: Solve for x
    x = 2,573,529,691.54/57,775.80
  6. Step 6: Final answer
    x = 44,543.38

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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.