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Finding the Fourth Proportional to 8,756.51, 13,134.72 and 2,182.68

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Solution

The fourth proportional to 8,756.51, 13,134.72 and 2,182.68 is: 3,274.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756.51 : 13,134.72 = 2,182.68 : x
  2. Step 2: Convert to fraction form
    8,756.51/13,134.72 = 2,182.68/x
  3. Step 3: Cross multiply
    8,756.51x = 13,134.72 × 2,182.68
  4. Step 4: Simplify right side
    8,756.51x = 28,668,890.65
  5. Step 5: Solve for x
    x = 28,668,890.65/8,756.51
  6. Step 6: Final answer
    x = 3,274.01

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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.