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Finding the Fourth Proportional to 29,404.84, 40,585.10 and 18,084.08

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Solution

The fourth proportional to 29,404.84, 40,585.10 and 18,084.08 is: 24,959.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,404.84 : 40,585.10 = 18,084.08 : x
  2. Step 2: Convert to fraction form
    29,404.84/40,585.10 = 18,084.08/x
  3. Step 3: Cross multiply
    29,404.84x = 40,585.10 × 18,084.08
  4. Step 4: Simplify right side
    29,404.84x = 733,943,901.86
  5. Step 5: Solve for x
    x = 733,943,901.86/29,404.84
  6. Step 6: Final answer
    x = 24,959.97

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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.