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Finding the Fourth Proportional to 29,292, 40,422.96 and 16,716.48

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Solution

The fourth proportional to 29,292, 40,422.96 and 16,716.48 is: 23,068.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,292 : 40,422.96 = 16,716.48 : x
  2. Step 2: Convert to fraction form
    29,292/40,422.96 = 16,716.48/x
  3. Step 3: Cross multiply
    29,292x = 40,422.96 × 16,716.48
  4. Step 4: Simplify right side
    29,292x = 675,729,602.38
  5. Step 5: Solve for x
    x = 675,729,602.38/29,292
  6. Step 6: Final answer
    x = 23,068.74

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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.