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Finding the Fourth Proportional to 14,757.76, 22,140.94 and 4,369.76

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Solution

The fourth proportional to 14,757.76, 22,140.94 and 4,369.76 is: 6,555.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,757.76 : 22,140.94 = 4,369.76 : x
  2. Step 2: Convert to fraction form
    14,757.76/22,140.94 = 4,369.76/x
  3. Step 3: Cross multiply
    14,757.76x = 22,140.94 × 4,369.76
  4. Step 4: Simplify right side
    14,757.76x = 96,750,593.97
  5. Step 5: Solve for x
    x = 96,750,593.97/14,757.76
  6. Step 6: Final answer
    x = 6,555.91

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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.