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Finding the Fourth Proportional to 5,866.99, 8,800.49 and 5,478.19

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Solution

The fourth proportional to 5,866.99, 8,800.49 and 5,478.19 is: 8,217.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,866.99 : 8,800.49 = 5,478.19 : x
  2. Step 2: Convert to fraction form
    5,866.99/8,800.49 = 5,478.19/x
  3. Step 3: Cross multiply
    5,866.99x = 8,800.49 × 5,478.19
  4. Step 4: Simplify right side
    5,866.99x = 48,210,756.31
  5. Step 5: Solve for x
    x = 48,210,756.31/5,866.99
  6. Step 6: Final answer
    x = 8,217.29

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Double scale
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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.