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Finding the Fourth Proportional to 29,294, 40,425.72 and 16,718.48

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Solution

The fourth proportional to 29,294, 40,425.72 and 16,718.48 is: 23,071.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,294 : 40,425.72 = 16,718.48 : x
  2. Step 2: Convert to fraction form
    29,294/40,425.72 = 16,718.48/x
  3. Step 3: Cross multiply
    29,294x = 40,425.72 × 16,718.48
  4. Step 4: Simplify right side
    29,294x = 675,856,591.31
  5. Step 5: Solve for x
    x = 675,856,591.31/29,294
  6. Step 6: Final answer
    x = 23,071.50

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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.