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Finding the Fourth Proportional to 14,452.32, 19,947.41 and 8,785.86

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Solution

The fourth proportional to 14,452.32, 19,947.41 and 8,785.86 is: 12,126.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,452.32 : 19,947.41 = 8,785.86 : x
  2. Step 2: Convert to fraction form
    14,452.32/19,947.41 = 8,785.86/x
  3. Step 3: Cross multiply
    14,452.32x = 19,947.41 × 8,785.86
  4. Step 4: Simplify right side
    14,452.32x = 175,255,243.16
  5. Step 5: Solve for x
    x = 175,255,243.16/14,452.32
  6. Step 6: Final answer
    x = 12,126.45

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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.