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Finding the Fourth Proportional to 57,551.60, 79,420.92 and 32,401.28

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Solution

The fourth proportional to 57,551.60, 79,420.92 and 32,401.28 is: 44,713.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,551.60 : 79,420.92 = 32,401.28 : x
  2. Step 2: Convert to fraction form
    57,551.60/79,420.92 = 32,401.28/x
  3. Step 3: Cross multiply
    57,551.60x = 79,420.92 × 32,401.28
  4. Step 4: Simplify right side
    57,551.60x = 2,573,339,466.78
  5. Step 5: Solve for x
    x = 2,573,339,466.78/57,551.60
  6. Step 6: Final answer
    x = 44,713.60

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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.