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Finding the Fourth Proportional to 72,332.92, 108,515.94 and 27,960.04

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Solution

The fourth proportional to 72,332.92, 108,515.94 and 27,960.04 is: 41,946.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,332.92 : 108,515.94 = 27,960.04 : x
  2. Step 2: Convert to fraction form
    72,332.92/108,515.94 = 27,960.04/x
  3. Step 3: Cross multiply
    72,332.92x = 108,515.94 × 27,960.04
  4. Step 4: Simplify right side
    72,332.92x = 3,034,110,023.04
  5. Step 5: Solve for x
    x = 3,034,110,023.04/72,332.92
  6. Step 6: Final answer
    x = 41,946.46

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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.