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Finding the Fourth Proportional to 72,656.48, 108,925.90 and 22,710.86

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Solution

The fourth proportional to 72,656.48, 108,925.90 and 22,710.86 is: 34,047.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,656.48 : 108,925.90 = 22,710.86 : x
  2. Step 2: Convert to fraction form
    72,656.48/108,925.90 = 22,710.86/x
  3. Step 3: Cross multiply
    72,656.48x = 108,925.90 × 22,710.86
  4. Step 4: Simplify right side
    72,656.48x = 2,473,800,865.27
  5. Step 5: Solve for x
    x = 2,473,800,865.27/72,656.48
  6. Step 6: Final answer
    x = 34,047.90

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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.