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Finding the Fourth Proportional to 5,815.48, 8,713.64 and 3,352.38

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Solution

The fourth proportional to 5,815.48, 8,713.64 and 3,352.38 is: 5,023.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.48 : 8,713.64 = 3,352.38 : x
  2. Step 2: Convert to fraction form
    5,815.48/8,713.64 = 3,352.38/x
  3. Step 3: Cross multiply
    5,815.48x = 8,713.64 × 3,352.38
  4. Step 4: Simplify right side
    5,815.48x = 29,211,432.46
  5. Step 5: Solve for x
    x = 29,211,432.46/5,815.48
  6. Step 6: Final answer
    x = 5,023.05

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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.