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Finding the Fourth Proportional to 32,530.68, 44,889.66 and 18,387

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Solution

The fourth proportional to 32,530.68, 44,889.66 and 18,387 is: 25,372.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,530.68 : 44,889.66 = 18,387 : x
  2. Step 2: Convert to fraction form
    32,530.68/44,889.66 = 18,387/x
  3. Step 3: Cross multiply
    32,530.68x = 44,889.66 × 18,387
  4. Step 4: Simplify right side
    32,530.68x = 825,386,178.42
  5. Step 5: Solve for x
    x = 825,386,178.42/32,530.68
  6. Step 6: Final answer
    x = 25,372.55

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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.