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Finding the Fourth Proportional to 6,479.08, 9,724.38 and 3,017.32

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Solution

The fourth proportional to 6,479.08, 9,724.38 and 3,017.32 is: 4,528.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,479.08 : 9,724.38 = 3,017.32 : x
  2. Step 2: Convert to fraction form
    6,479.08/9,724.38 = 3,017.32/x
  3. Step 3: Cross multiply
    6,479.08x = 9,724.38 × 3,017.32
  4. Step 4: Simplify right side
    6,479.08x = 29,341,566.26
  5. Step 5: Solve for x
    x = 29,341,566.26/6,479.08
  6. Step 6: Final answer
    x = 4,528.66

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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.