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Finding the Fourth Proportional to 22,959.60, 34,411.72 and 11,860.24

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Solution

The fourth proportional to 22,959.60, 34,411.72 and 11,860.24 is: 17,776.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,959.60 : 34,411.72 = 11,860.24 : x
  2. Step 2: Convert to fraction form
    22,959.60/34,411.72 = 11,860.24/x
  3. Step 3: Cross multiply
    22,959.60x = 34,411.72 × 11,860.24
  4. Step 4: Simplify right side
    22,959.60x = 408,131,258.01
  5. Step 5: Solve for x
    x = 408,131,258.01/22,959.60
  6. Step 6: Final answer
    x = 17,776.06

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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.