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Finding the Fourth Proportional to 6,661.39, 9,970.12 and 5,932.39

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Solution

The fourth proportional to 6,661.39, 9,970.12 and 5,932.39 is: 8,879.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,661.39 : 9,970.12 = 5,932.39 : x
  2. Step 2: Convert to fraction form
    6,661.39/9,970.12 = 5,932.39/x
  3. Step 3: Cross multiply
    6,661.39x = 9,970.12 × 5,932.39
  4. Step 4: Simplify right side
    6,661.39x = 59,146,640.19
  5. Step 5: Solve for x
    x = 59,146,640.19/6,661.39
  6. Step 6: Final answer
    x = 8,879.02

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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.