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Finding the Fourth Proportional to 8,335.86, 12,501.48 and 2,491.08

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Solution

The fourth proportional to 8,335.86, 12,501.48 and 2,491.08 is: 3,735.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,335.86 : 12,501.48 = 2,491.08 : x
  2. Step 2: Convert to fraction form
    8,335.86/12,501.48 = 2,491.08/x
  3. Step 3: Cross multiply
    8,335.86x = 12,501.48 × 2,491.08
  4. Step 4: Simplify right side
    8,335.86x = 31,142,186.80
  5. Step 5: Solve for x
    x = 31,142,186.80/8,335.86
  6. Step 6: Final answer
    x = 3,735.93

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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.