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Finding the Fourth Proportional to 29,342.67, 40,489.16 and 17,403.68

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Solution

The fourth proportional to 29,342.67, 40,489.16 and 17,403.68 is: 24,014.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,342.67 : 40,489.16 = 17,403.68 : x
  2. Step 2: Convert to fraction form
    29,342.67/40,489.16 = 17,403.68/x
  3. Step 3: Cross multiply
    29,342.67x = 40,489.16 × 17,403.68
  4. Step 4: Simplify right side
    29,342.67x = 704,660,225.17
  5. Step 5: Solve for x
    x = 704,660,225.17/29,342.67
  6. Step 6: Final answer
    x = 24,014.86

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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.