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Finding the Fourth Proportional to 6,470.52, 9,703.32 and 2,087.32

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Solution

The fourth proportional to 6,470.52, 9,703.32 and 2,087.32 is: 3,130.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,470.52 : 9,703.32 = 2,087.32 : x
  2. Step 2: Convert to fraction form
    6,470.52/9,703.32 = 2,087.32/x
  3. Step 3: Cross multiply
    6,470.52x = 9,703.32 × 2,087.32
  4. Step 4: Simplify right side
    6,470.52x = 20,253,933.90
  5. Step 5: Solve for x
    x = 20,253,933.90/6,470.52
  6. Step 6: Final answer
    x = 3,130.19

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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.