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Finding the Fourth Proportional to 6,599.88, 9,898.20 and 2,705.40

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Solution

The fourth proportional to 6,599.88, 9,898.20 and 2,705.40 is: 4,057.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,599.88 : 9,898.20 = 2,705.40 : x
  2. Step 2: Convert to fraction form
    6,599.88/9,898.20 = 2,705.40/x
  3. Step 3: Cross multiply
    6,599.88x = 9,898.20 × 2,705.40
  4. Step 4: Simplify right side
    6,599.88x = 26,778,590.28
  5. Step 5: Solve for x
    x = 26,778,590.28/6,599.88
  6. Step 6: Final answer
    x = 4,057.44

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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.