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Finding the Fourth Proportional to 14,104.76, 21,167.76 and 9,651.76

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Solution

The fourth proportional to 14,104.76, 21,167.76 and 9,651.76 is: 14,484.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,104.76 : 21,167.76 = 9,651.76 : x
  2. Step 2: Convert to fraction form
    14,104.76/21,167.76 = 9,651.76/x
  3. Step 3: Cross multiply
    14,104.76x = 21,167.76 × 9,651.76
  4. Step 4: Simplify right side
    14,104.76x = 204,306,139.26
  5. Step 5: Solve for x
    x = 204,306,139.26/14,104.76
  6. Step 6: Final answer
    x = 14,484.91

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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.