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Finding the Fourth Proportional to 57,766.40, 86,649.60 and 32,883.20

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Solution

The fourth proportional to 57,766.40, 86,649.60 and 32,883.20 is: 49,324.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,766.40 : 86,649.60 = 32,883.20 : x
  2. Step 2: Convert to fraction form
    57,766.40/86,649.60 = 32,883.20/x
  3. Step 3: Cross multiply
    57,766.40x = 86,649.60 × 32,883.20
  4. Step 4: Simplify right side
    57,766.40x = 2,849,316,126.72
  5. Step 5: Solve for x
    x = 2,849,316,126.72/57,766.40
  6. Step 6: Final answer
    x = 49,324.80

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Similar ratio
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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.