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Finding the Fourth Proportional to 6,599.04, 9,891.18 and 3,129

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Solution

The fourth proportional to 6,599.04, 9,891.18 and 3,129 is: 4,690.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,599.04 : 9,891.18 = 3,129 : x
  2. Step 2: Convert to fraction form
    6,599.04/9,891.18 = 3,129/x
  3. Step 3: Cross multiply
    6,599.04x = 9,891.18 × 3,129
  4. Step 4: Simplify right side
    6,599.04x = 30,949,502.22
  5. Step 5: Solve for x
    x = 30,949,502.22/6,599.04
  6. Step 6: Final answer
    x = 4,690.00

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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.