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Finding the Fourth Proportional to 72,337.76, 108,523.56 and 22,415.24

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Solution

The fourth proportional to 72,337.76, 108,523.56 and 22,415.24 is: 33,628.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,337.76 : 108,523.56 = 22,415.24 : x
  2. Step 2: Convert to fraction form
    72,337.76/108,523.56 = 22,415.24/x
  3. Step 3: Cross multiply
    72,337.76x = 108,523.56 × 22,415.24
  4. Step 4: Simplify right side
    72,337.76x = 2,432,581,643.05
  5. Step 5: Solve for x
    x = 2,432,581,643.05/72,337.76
  6. Step 6: Final answer
    x = 33,628.10

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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.