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Finding the Fourth Proportional to 29,422.39, 40,602.03 and 15,993.29

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Solution

The fourth proportional to 29,422.39, 40,602.03 and 15,993.29 is: 22,070.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,422.39 : 40,602.03 = 15,993.29 : x
  2. Step 2: Convert to fraction form
    29,422.39/40,602.03 = 15,993.29/x
  3. Step 3: Cross multiply
    29,422.39x = 40,602.03 × 15,993.29
  4. Step 4: Simplify right side
    29,422.39x = 649,360,040.38
  5. Step 5: Solve for x
    x = 649,360,040.38/29,422.39
  6. Step 6: Final answer
    x = 22,070.27

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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.