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Finding the Fourth Proportional to 6,598.54, 9,901.79 and 3,480.85

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Solution

The fourth proportional to 6,598.54, 9,901.79 and 3,480.85 is: 5,223.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,598.54 : 9,901.79 = 3,480.85 : x
  2. Step 2: Convert to fraction form
    6,598.54/9,901.79 = 3,480.85/x
  3. Step 3: Cross multiply
    6,598.54x = 9,901.79 × 3,480.85
  4. Step 4: Simplify right side
    6,598.54x = 34,466,645.72
  5. Step 5: Solve for x
    x = 34,466,645.72/6,598.54
  6. Step 6: Final answer
    x = 5,223.37

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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.