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Finding the Fourth Proportional to 22,454.66, 33,621.71 and 12,565.77

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Solution

The fourth proportional to 22,454.66, 33,621.71 and 12,565.77 is: 18,814.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,454.66 : 33,621.71 = 12,565.77 : x
  2. Step 2: Convert to fraction form
    22,454.66/33,621.71 = 12,565.77/x
  3. Step 3: Cross multiply
    22,454.66x = 33,621.71 × 12,565.77
  4. Step 4: Simplify right side
    22,454.66x = 422,482,612.04
  5. Step 5: Solve for x
    x = 422,482,612.04/22,454.66
  6. Step 6: Final answer
    x = 18,814.92

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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.