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Finding the Fourth Proportional to 8,630.07, 12,934.26 and 3,693.93

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Solution

The fourth proportional to 8,630.07, 12,934.26 and 3,693.93 is: 5,536.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,630.07 : 12,934.26 = 3,693.93 : x
  2. Step 2: Convert to fraction form
    8,630.07/12,934.26 = 3,693.93/x
  3. Step 3: Cross multiply
    8,630.07x = 12,934.26 × 3,693.93
  4. Step 4: Simplify right side
    8,630.07x = 47,778,251.04
  5. Step 5: Solve for x
    x = 47,778,251.04/8,630.07
  6. Step 6: Final answer
    x = 5,536.25

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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.