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Finding the Fourth Proportional to 6,612.70, 9,919.80 and 2,397.93

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Solution

The fourth proportional to 6,612.70, 9,919.80 and 2,397.93 is: 3,597.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,612.70 : 9,919.80 = 2,397.93 : x
  2. Step 2: Convert to fraction form
    6,612.70/9,919.80 = 2,397.93/x
  3. Step 3: Cross multiply
    6,612.70x = 9,919.80 × 2,397.93
  4. Step 4: Simplify right side
    6,612.70x = 23,787,014.22
  5. Step 5: Solve for x
    x = 23,787,014.22/6,612.70
  6. Step 6: Final answer
    x = 3,597.17

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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.