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Finding the Fourth Proportional to 16,763.66, 25,156.08 and 9,372.98

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Solution

The fourth proportional to 16,763.66, 25,156.08 and 9,372.98 is: 14,065.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,763.66 : 25,156.08 = 9,372.98 : x
  2. Step 2: Convert to fraction form
    16,763.66/25,156.08 = 9,372.98/x
  3. Step 3: Cross multiply
    16,763.66x = 25,156.08 × 9,372.98
  4. Step 4: Simplify right side
    16,763.66x = 235,787,434.72
  5. Step 5: Solve for x
    x = 235,787,434.72/16,763.66
  6. Step 6: Final answer
    x = 14,065.39

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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.