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Finding the Fourth Proportional to 6,275.91, 9,403.31 and 3,501

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Solution

The fourth proportional to 6,275.91, 9,403.31 and 3,501 is: 5,245.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,275.91 : 9,403.31 = 3,501 : x
  2. Step 2: Convert to fraction form
    6,275.91/9,403.31 = 3,501/x
  3. Step 3: Cross multiply
    6,275.91x = 9,403.31 × 3,501
  4. Step 4: Simplify right side
    6,275.91x = 32,920,970.81
  5. Step 5: Solve for x
    x = 32,920,970.81/6,275.91
  6. Step 6: Final answer
    x = 5,245.61

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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.