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Finding the Fourth Proportional to 8,752.65, 13,128.97 and 3,562.17

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Solution

The fourth proportional to 8,752.65, 13,128.97 and 3,562.17 is: 5,343.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,752.65 : 13,128.97 = 3,562.17 : x
  2. Step 2: Convert to fraction form
    8,752.65/13,128.97 = 3,562.17/x
  3. Step 3: Cross multiply
    8,752.65x = 13,128.97 × 3,562.17
  4. Step 4: Simplify right side
    8,752.65x = 46,767,623.06
  5. Step 5: Solve for x
    x = 46,767,623.06/8,752.65
  6. Step 6: Final answer
    x = 5,343.25

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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.