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Finding the Fourth Proportional to 29,532.69, 40,744.89 and 18,928.17

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Solution

The fourth proportional to 29,532.69, 40,744.89 and 18,928.17 is: 26,114.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,532.69 : 40,744.89 = 18,928.17 : x
  2. Step 2: Convert to fraction form
    29,532.69/40,744.89 = 18,928.17/x
  3. Step 3: Cross multiply
    29,532.69x = 40,744.89 × 18,928.17
  4. Step 4: Simplify right side
    29,532.69x = 771,226,204.55
  5. Step 5: Solve for x
    x = 771,226,204.55/29,532.69
  6. Step 6: Final answer
    x = 26,114.32

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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.