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Finding the Fourth Proportional to 6,641.04, 9,966.20 and 2,745.48

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Solution

The fourth proportional to 6,641.04, 9,966.20 and 2,745.48 is: 4,120.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,641.04 : 9,966.20 = 2,745.48 : x
  2. Step 2: Convert to fraction form
    6,641.04/9,966.20 = 2,745.48/x
  3. Step 3: Cross multiply
    6,641.04x = 9,966.20 × 2,745.48
  4. Step 4: Simplify right side
    6,641.04x = 27,362,002.78
  5. Step 5: Solve for x
    x = 27,362,002.78/6,641.04
  6. Step 6: Final answer
    x = 4,120.14

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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.