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Finding the Fourth Proportional to 29,679.54, 40,957.38 and 16,932.39

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Solution

The fourth proportional to 29,679.54, 40,957.38 and 16,932.39 is: 23,366.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,679.54 : 40,957.38 = 16,932.39 : x
  2. Step 2: Convert to fraction form
    29,679.54/40,957.38 = 16,932.39/x
  3. Step 3: Cross multiply
    29,679.54x = 40,957.38 × 16,932.39
  4. Step 4: Simplify right side
    29,679.54x = 693,506,331.54
  5. Step 5: Solve for x
    x = 693,506,331.54/29,679.54
  6. Step 6: Final answer
    x = 23,366.48

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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.