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Finding the Fourth Proportional to 29,812.31, 41,139.04 and 17,065.59

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Solution

The fourth proportional to 29,812.31, 41,139.04 and 17,065.59 is: 23,549.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,812.31 : 41,139.04 = 17,065.59 : x
  2. Step 2: Convert to fraction form
    29,812.31/41,139.04 = 17,065.59/x
  3. Step 3: Cross multiply
    29,812.31x = 41,139.04 × 17,065.59
  4. Step 4: Simplify right side
    29,812.31x = 702,061,989.63
  5. Step 5: Solve for x
    x = 702,061,989.63/29,812.31
  6. Step 6: Final answer
    x = 23,549.40

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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.