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Finding the Fourth Proportional to 29,166.70, 43,724.40 and 17,291.20

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Solution

The fourth proportional to 29,166.70, 43,724.40 and 17,291.20 is: 25,921.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,166.70 : 43,724.40 = 17,291.20 : x
  2. Step 2: Convert to fraction form
    29,166.70/43,724.40 = 17,291.20/x
  3. Step 3: Cross multiply
    29,166.70x = 43,724.40 × 17,291.20
  4. Step 4: Simplify right side
    29,166.70x = 756,047,345.28
  5. Step 5: Solve for x
    x = 756,047,345.28/29,166.70
  6. Step 6: Final answer
    x = 25,921.59

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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.