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Finding the Fourth Proportional to 5,866.39, 8,778.57 and 5,475.34

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Solution

The fourth proportional to 5,866.39, 8,778.57 and 5,475.34 is: 8,193.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,866.39 : 8,778.57 = 5,475.34 : x
  2. Step 2: Convert to fraction form
    5,866.39/8,778.57 = 5,475.34/x
  3. Step 3: Cross multiply
    5,866.39x = 8,778.57 × 5,475.34
  4. Step 4: Simplify right side
    5,866.39x = 48,065,655.46
  5. Step 5: Solve for x
    x = 48,065,655.46/5,866.39
  6. Step 6: Final answer
    x = 8,193.40

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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.