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Finding the Fourth Proportional to 29,179.53, 43,686.63 and 22,681.71

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Solution

The fourth proportional to 29,179.53, 43,686.63 and 22,681.71 is: 33,958.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,179.53 : 43,686.63 = 22,681.71 : x
  2. Step 2: Convert to fraction form
    29,179.53/43,686.63 = 22,681.71/x
  3. Step 3: Cross multiply
    29,179.53x = 43,686.63 × 22,681.71
  4. Step 4: Simplify right side
    29,179.53x = 990,887,472.54
  5. Step 5: Solve for x
    x = 990,887,472.54/29,179.53
  6. Step 6: Final answer
    x = 33,958.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.