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Finding the Fourth Proportional to 29,684.12, 40,964.04 and 16,255.38

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Solution

The fourth proportional to 29,684.12, 40,964.04 and 16,255.38 is: 22,432.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,684.12 : 40,964.04 = 16,255.38 : x
  2. Step 2: Convert to fraction form
    29,684.12/40,964.04 = 16,255.38/x
  3. Step 3: Cross multiply
    29,684.12x = 40,964.04 × 16,255.38
  4. Step 4: Simplify right side
    29,684.12x = 665,886,036.54
  5. Step 5: Solve for x
    x = 665,886,036.54/29,684.12
  6. Step 6: Final answer
    x = 22,432.40

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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.