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Finding the Fourth Proportional to 14,524.17, 21,758.49 and 9,821.13

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Solution

The fourth proportional to 14,524.17, 21,758.49 and 9,821.13 is: 14,712.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,524.17 : 21,758.49 = 9,821.13 : x
  2. Step 2: Convert to fraction form
    14,524.17/21,758.49 = 9,821.13/x
  3. Step 3: Cross multiply
    14,524.17x = 21,758.49 × 9,821.13
  4. Step 4: Simplify right side
    14,524.17x = 213,692,958.89
  5. Step 5: Solve for x
    x = 213,692,958.89/14,524.17
  6. Step 6: Final answer
    x = 14,712.92

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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.