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Finding the Fourth Proportional to 57,486, 79,335.24 and 32,337.36

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Solution

The fourth proportional to 57,486, 79,335.24 and 32,337.36 is: 44,628.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,486 : 79,335.24 = 32,337.36 : x
  2. Step 2: Convert to fraction form
    57,486/79,335.24 = 32,337.36/x
  3. Step 3: Cross multiply
    57,486x = 79,335.24 × 32,337.36
  4. Step 4: Simplify right side
    57,486x = 2,565,492,216.57
  5. Step 5: Solve for x
    x = 2,565,492,216.57/57,486
  6. Step 6: Final answer
    x = 44,628.12

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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.