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Finding the Fourth Proportional to 8,624.74, 12,941.52 and 3,693.06

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Solution

The fourth proportional to 8,624.74, 12,941.52 and 3,693.06 is: 5,541.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,624.74 : 12,941.52 = 3,693.06 : x
  2. Step 2: Convert to fraction form
    8,624.74/12,941.52 = 3,693.06/x
  3. Step 3: Cross multiply
    8,624.74x = 12,941.52 × 3,693.06
  4. Step 4: Simplify right side
    8,624.74x = 47,793,726.68
  5. Step 5: Solve for x
    x = 47,793,726.68/8,624.74
  6. Step 6: Final answer
    x = 5,541.47

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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.