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Finding the Fourth Proportional to 14,919.52, 22,425.78 and 9,408.28

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Solution

The fourth proportional to 14,919.52, 22,425.78 and 9,408.28 is: 14,141.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,919.52 : 22,425.78 = 9,408.28 : x
  2. Step 2: Convert to fraction form
    14,919.52/22,425.78 = 9,408.28/x
  3. Step 3: Cross multiply
    14,919.52x = 22,425.78 × 9,408.28
  4. Step 4: Simplify right side
    14,919.52x = 210,988,017.46
  5. Step 5: Solve for x
    x = 210,988,017.46/14,919.52
  6. Step 6: Final answer
    x = 14,141.74

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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.