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Finding the Fourth Proportional to 7,967.76, 11,951.53 and 3,582.11

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Solution

The fourth proportional to 7,967.76, 11,951.53 and 3,582.11 is: 5,373.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,967.76 : 11,951.53 = 3,582.11 : x
  2. Step 2: Convert to fraction form
    7,967.76/11,951.53 = 3,582.11/x
  3. Step 3: Cross multiply
    7,967.76x = 11,951.53 × 3,582.11
  4. Step 4: Simplify right side
    7,967.76x = 42,811,695.13
  5. Step 5: Solve for x
    x = 42,811,695.13/7,967.76
  6. Step 6: Final answer
    x = 5,373.12

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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.