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Finding the Fourth Proportional to 29,309.71, 40,442.83 and 17,371.12

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Solution

The fourth proportional to 29,309.71, 40,442.83 and 17,371.12 is: 23,969.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,309.71 : 40,442.83 = 17,371.12 : x
  2. Step 2: Convert to fraction form
    29,309.71/40,442.83 = 17,371.12/x
  3. Step 3: Cross multiply
    29,309.71x = 40,442.83 × 17,371.12
  4. Step 4: Simplify right side
    29,309.71x = 702,537,253.07
  5. Step 5: Solve for x
    x = 702,537,253.07/29,309.71
  6. Step 6: Final answer
    x = 23,969.44

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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.