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Finding the Fourth Proportional to 32,901.72, 45,393.24 and 18,744.48

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Solution

The fourth proportional to 32,901.72, 45,393.24 and 18,744.48 is: 25,861.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,901.72 : 45,393.24 = 18,744.48 : x
  2. Step 2: Convert to fraction form
    32,901.72/45,393.24 = 18,744.48/x
  3. Step 3: Cross multiply
    32,901.72x = 45,393.24 × 18,744.48
  4. Step 4: Simplify right side
    32,901.72x = 850,872,679.32
  5. Step 5: Solve for x
    x = 850,872,679.32/32,901.72
  6. Step 6: Final answer
    x = 25,861.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.