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Finding the Fourth Proportional to 72,063.56, 108,101.10 and 25,326.92

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Solution

The fourth proportional to 72,063.56, 108,101.10 and 25,326.92 is: 37,992.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,063.56 : 108,101.10 = 25,326.92 : x
  2. Step 2: Convert to fraction form
    72,063.56/108,101.10 = 25,326.92/x
  3. Step 3: Cross multiply
    72,063.56x = 108,101.10 × 25,326.92
  4. Step 4: Simplify right side
    72,063.56x = 2,737,867,911.61
  5. Step 5: Solve for x
    x = 2,737,867,911.61/72,063.56
  6. Step 6: Final answer
    x = 37,992.40

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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.