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Finding the Fourth Proportional to 8,352.74, 12,530.54 and 2,806.61

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Solution

The fourth proportional to 8,352.74, 12,530.54 and 2,806.61 is: 4,210.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,352.74 : 12,530.54 = 2,806.61 : x
  2. Step 2: Convert to fraction form
    8,352.74/12,530.54 = 2,806.61/x
  3. Step 3: Cross multiply
    8,352.74x = 12,530.54 × 2,806.61
  4. Step 4: Simplify right side
    8,352.74x = 35,168,377.21
  5. Step 5: Solve for x
    x = 35,168,377.21/8,352.74
  6. Step 6: Final answer
    x = 4,210.40

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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.