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Finding the Fourth Proportional to 23,178.96, 34,680.96 and 13,322.88

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Solution

The fourth proportional to 23,178.96, 34,680.96 and 13,322.88 is: 19,934.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,178.96 : 34,680.96 = 13,322.88 : x
  2. Step 2: Convert to fraction form
    23,178.96/34,680.96 = 13,322.88/x
  3. Step 3: Cross multiply
    23,178.96x = 34,680.96 × 13,322.88
  4. Step 4: Simplify right side
    23,178.96x = 462,050,268.36
  5. Step 5: Solve for x
    x = 462,050,268.36/23,178.96
  6. Step 6: Final answer
    x = 19,934.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.