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Finding the Fourth Proportional to 6,502.60, 8,971.86 and 3,708.04

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Solution

The fourth proportional to 6,502.60, 8,971.86 and 3,708.04 is: 5,116.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,502.60 : 8,971.86 = 3,708.04 : x
  2. Step 2: Convert to fraction form
    6,502.60/8,971.86 = 3,708.04/x
  3. Step 3: Cross multiply
    6,502.60x = 8,971.86 × 3,708.04
  4. Step 4: Simplify right side
    6,502.60x = 33,268,015.75
  5. Step 5: Solve for x
    x = 33,268,015.75/6,502.60
  6. Step 6: Final answer
    x = 5,116.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.