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Finding the Fourth Proportional to 8,763.62, 13,148.13 and 3,065.16

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Solution

The fourth proportional to 8,763.62, 13,148.13 and 3,065.16 is: 4,598.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,763.62 : 13,148.13 = 3,065.16 : x
  2. Step 2: Convert to fraction form
    8,763.62/13,148.13 = 3,065.16/x
  3. Step 3: Cross multiply
    8,763.62x = 13,148.13 × 3,065.16
  4. Step 4: Simplify right side
    8,763.62x = 40,301,122.15
  5. Step 5: Solve for x
    x = 40,301,122.15/8,763.62
  6. Step 6: Final answer
    x = 4,598.68

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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.