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Finding the Fourth Proportional to 72,927.71, 109,391.56 and 17,523.71

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Solution

The fourth proportional to 72,927.71, 109,391.56 and 17,523.71 is: 26,285.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,927.71 : 109,391.56 = 17,523.71 : x
  2. Step 2: Convert to fraction form
    72,927.71/109,391.56 = 17,523.71/x
  3. Step 3: Cross multiply
    72,927.71x = 109,391.56 × 17,523.71
  4. Step 4: Simplify right side
    72,927.71x = 1,916,945,793.34
  5. Step 5: Solve for x
    x = 1,916,945,793.34/72,927.71
  6. Step 6: Final answer
    x = 26,285.56

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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.