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Finding the Fourth Proportional to 5,918.81, 8,882.39 and 5,353.52

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Solution

The fourth proportional to 5,918.81, 8,882.39 and 5,353.52 is: 8,034.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.81 : 8,882.39 = 5,353.52 : x
  2. Step 2: Convert to fraction form
    5,918.81/8,882.39 = 5,353.52/x
  3. Step 3: Cross multiply
    5,918.81x = 8,882.39 × 5,353.52
  4. Step 4: Simplify right side
    5,918.81x = 47,552,047.95
  5. Step 5: Solve for x
    x = 47,552,047.95/5,918.81
  6. Step 6: Final answer
    x = 8,034.05

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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.