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Finding the Fourth Proportional to 29,357.66, 40,507.80 and 17,424.74

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Solution

The fourth proportional to 29,357.66, 40,507.80 and 17,424.74 is: 24,042.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,357.66 : 40,507.80 = 17,424.74 : x
  2. Step 2: Convert to fraction form
    29,357.66/40,507.80 = 17,424.74/x
  3. Step 3: Cross multiply
    29,357.66x = 40,507.80 × 17,424.74
  4. Step 4: Simplify right side
    29,357.66x = 705,837,882.97
  5. Step 5: Solve for x
    x = 705,837,882.97/29,357.66
  6. Step 6: Final answer
    x = 24,042.72

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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.