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Finding the Fourth Proportional to 57,647.70, 79,543.62 and 32,497.20

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Solution

The fourth proportional to 57,647.70, 79,543.62 and 32,497.20 is: 44,840.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,647.70 : 79,543.62 = 32,497.20 : x
  2. Step 2: Convert to fraction form
    57,647.70/79,543.62 = 32,497.20/x
  3. Step 3: Cross multiply
    57,647.70x = 79,543.62 × 32,497.20
  4. Step 4: Simplify right side
    57,647.70x = 2,584,944,927.86
  5. Step 5: Solve for x
    x = 2,584,944,927.86/57,647.70
  6. Step 6: Final answer
    x = 44,840.38

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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.