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Finding the Fourth Proportional to 72,339.78, 108,516.91 and 24,948.63

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Solution

The fourth proportional to 72,339.78, 108,516.91 and 24,948.63 is: 37,425.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,339.78 : 108,516.91 = 24,948.63 : x
  2. Step 2: Convert to fraction form
    72,339.78/108,516.91 = 24,948.63/x
  3. Step 3: Cross multiply
    72,339.78x = 108,516.91 × 24,948.63
  4. Step 4: Simplify right side
    72,339.78x = 2,707,348,236.33
  5. Step 5: Solve for x
    x = 2,707,348,236.33/72,339.78
  6. Step 6: Final answer
    x = 37,425.44

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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.