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Finding the Fourth Proportional to 5,921.70, 8,882.55 and 2,465.70

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Solution

The fourth proportional to 5,921.70, 8,882.55 and 2,465.70 is: 3,698.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.70 : 8,882.55 = 2,465.70 : x
  2. Step 2: Convert to fraction form
    5,921.70/8,882.55 = 2,465.70/x
  3. Step 3: Cross multiply
    5,921.70x = 8,882.55 × 2,465.70
  4. Step 4: Simplify right side
    5,921.70x = 21,901,703.54
  5. Step 5: Solve for x
    x = 21,901,703.54/5,921.70
  6. Step 6: Final answer
    x = 3,698.55

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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.