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Finding the Fourth Proportional to 8,498.81, 12,752.58 and 3,504.87

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Solution

The fourth proportional to 8,498.81, 12,752.58 and 3,504.87 is: 5,259.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,498.81 : 12,752.58 = 3,504.87 : x
  2. Step 2: Convert to fraction form
    8,498.81/12,752.58 = 3,504.87/x
  3. Step 3: Cross multiply
    8,498.81x = 12,752.58 × 3,504.87
  4. Step 4: Simplify right side
    8,498.81x = 44,696,148.21
  5. Step 5: Solve for x
    x = 44,696,148.21/8,498.81
  6. Step 6: Final answer
    x = 5,259.11

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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.