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Finding the Fourth Proportional to 24,616.80, 36,860.40 and 18,007.20

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Solution

The fourth proportional to 24,616.80, 36,860.40 and 18,007.20 is: 26,963.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,616.80 : 36,860.40 = 18,007.20 : x
  2. Step 2: Convert to fraction form
    24,616.80/36,860.40 = 18,007.20/x
  3. Step 3: Cross multiply
    24,616.80x = 36,860.40 × 18,007.20
  4. Step 4: Simplify right side
    24,616.80x = 663,752,594.88
  5. Step 5: Solve for x
    x = 663,752,594.88/24,616.80
  6. Step 6: Final answer
    x = 26,963.40

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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.