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Finding the Fourth Proportional to 29,342.52, 40,491.59 and 17,398.71

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Solution

The fourth proportional to 29,342.52, 40,491.59 and 17,398.71 is: 24,009.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,342.52 : 40,491.59 = 17,398.71 : x
  2. Step 2: Convert to fraction form
    29,342.52/40,491.59 = 17,398.71/x
  3. Step 3: Cross multiply
    29,342.52x = 40,491.59 × 17,398.71
  4. Step 4: Simplify right side
    29,342.52x = 704,501,344.86
  5. Step 5: Solve for x
    x = 704,501,344.86/29,342.52
  6. Step 6: Final answer
    x = 24,009.57

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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.