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Finding the Fourth Proportional to 72,923.34, 109,387.32 and 23,003.88

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Solution

The fourth proportional to 72,923.34, 109,387.32 and 23,003.88 is: 34,506.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,923.34 : 109,387.32 = 23,003.88 : x
  2. Step 2: Convert to fraction form
    72,923.34/109,387.32 = 23,003.88/x
  3. Step 3: Cross multiply
    72,923.34x = 109,387.32 × 23,003.88
  4. Step 4: Simplify right side
    72,923.34x = 2,516,332,782.80
  5. Step 5: Solve for x
    x = 2,516,332,782.80/72,923.34
  6. Step 6: Final answer
    x = 34,506.55

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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.