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Finding the Fourth Proportional to 29,281.69, 40,392.24 and 18,523.25

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Solution

The fourth proportional to 29,281.69, 40,392.24 and 18,523.25 is: 25,551.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,281.69 : 40,392.24 = 18,523.25 : x
  2. Step 2: Convert to fraction form
    29,281.69/40,392.24 = 18,523.25/x
  3. Step 3: Cross multiply
    29,281.69x = 40,392.24 × 18,523.25
  4. Step 4: Simplify right side
    29,281.69x = 748,195,439.63
  5. Step 5: Solve for x
    x = 748,195,439.63/29,281.69
  6. Step 6: Final answer
    x = 25,551.65

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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.