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Finding the Fourth Proportional to 6,599.68, 9,900.62 and 3,135.04

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Solution

The fourth proportional to 6,599.68, 9,900.62 and 3,135.04 is: 4,703.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,599.68 : 9,900.62 = 3,135.04 : x
  2. Step 2: Convert to fraction form
    6,599.68/9,900.62 = 3,135.04/x
  3. Step 3: Cross multiply
    6,599.68x = 9,900.62 × 3,135.04
  4. Step 4: Simplify right side
    6,599.68x = 31,038,839.72
  5. Step 5: Solve for x
    x = 31,038,839.72/6,599.68
  6. Step 6: Final answer
    x = 4,703.08

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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.