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Finding the Fourth Proportional to 6,776.70, 10,165.05 and 4,451.40

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Solution

The fourth proportional to 6,776.70, 10,165.05 and 4,451.40 is: 6,677.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,776.70 : 10,165.05 = 4,451.40 : x
  2. Step 2: Convert to fraction form
    6,776.70/10,165.05 = 4,451.40/x
  3. Step 3: Cross multiply
    6,776.70x = 10,165.05 × 4,451.40
  4. Step 4: Simplify right side
    6,776.70x = 45,248,703.57
  5. Step 5: Solve for x
    x = 45,248,703.57/6,776.70
  6. Step 6: Final answer
    x = 6,677.10

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Similar ratio
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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.