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Finding the Fourth Proportional to 6,617.60, 9,927.04 and 2,401.92

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Solution

The fourth proportional to 6,617.60, 9,927.04 and 2,401.92 is: 3,603.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,617.60 : 9,927.04 = 2,401.92 : x
  2. Step 2: Convert to fraction form
    6,617.60/9,927.04 = 2,401.92/x
  3. Step 3: Cross multiply
    6,617.60x = 9,927.04 × 2,401.92
  4. Step 4: Simplify right side
    6,617.60x = 23,843,955.92
  5. Step 5: Solve for x
    x = 23,843,955.92/6,617.60
  6. Step 6: Final answer
    x = 3,603.11

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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.