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Finding the Fourth Proportional to 8,762.16, 13,143.02 and 3,568.02

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Solution

The fourth proportional to 8,762.16, 13,143.02 and 3,568.02 is: 5,351.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,762.16 : 13,143.02 = 3,568.02 : x
  2. Step 2: Convert to fraction form
    8,762.16/13,143.02 = 3,568.02/x
  3. Step 3: Cross multiply
    8,762.16x = 13,143.02 × 3,568.02
  4. Step 4: Simplify right side
    8,762.16x = 46,894,558.22
  5. Step 5: Solve for x
    x = 46,894,558.22/8,762.16
  6. Step 6: Final answer
    x = 5,351.94

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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.