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Finding the Fourth Proportional to 8,065.13, 12,101.16 and 4,370

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Solution

The fourth proportional to 8,065.13, 12,101.16 and 4,370 is: 6,556.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065.13 : 12,101.16 = 4,370 : x
  2. Step 2: Convert to fraction form
    8,065.13/12,101.16 = 4,370/x
  3. Step 3: Cross multiply
    8,065.13x = 12,101.16 × 4,370
  4. Step 4: Simplify right side
    8,065.13x = 52,882,069.20
  5. Step 5: Solve for x
    x = 52,882,069.20/8,065.13
  6. Step 6: Final answer
    x = 6,556.88

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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.