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Finding the Fourth Proportional to 14,776.96, 22,147.81 and 6,868.79

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Solution

The fourth proportional to 14,776.96, 22,147.81 and 6,868.79 is: 10,294.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,776.96 : 22,147.81 = 6,868.79 : x
  2. Step 2: Convert to fraction form
    14,776.96/22,147.81 = 6,868.79/x
  3. Step 3: Cross multiply
    14,776.96x = 22,147.81 × 6,868.79
  4. Step 4: Simplify right side
    14,776.96x = 152,128,655.85
  5. Step 5: Solve for x
    x = 152,128,655.85/14,776.96
  6. Step 6: Final answer
    x = 10,294.99

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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.