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Finding the Fourth Proportional to 62,207.63, 85,819.45 and 39,534.47

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Solution

The fourth proportional to 62,207.63, 85,819.45 and 39,534.47 is: 54,540.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,207.63 : 85,819.45 = 39,534.47 : x
  2. Step 2: Convert to fraction form
    62,207.63/85,819.45 = 39,534.47/x
  3. Step 3: Cross multiply
    62,207.63x = 85,819.45 × 39,534.47
  4. Step 4: Simplify right side
    62,207.63x = 3,392,826,158.06
  5. Step 5: Solve for x
    x = 3,392,826,158.06/62,207.63
  6. Step 6: Final answer
    x = 54,540.36

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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.