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Finding the Fourth Proportional to 8,718.84, 13,049.68 and 4,764.04

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Solution

The fourth proportional to 8,718.84, 13,049.68 and 4,764.04 is: 7,130.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,718.84 : 13,049.68 = 4,764.04 : x
  2. Step 2: Convert to fraction form
    8,718.84/13,049.68 = 4,764.04/x
  3. Step 3: Cross multiply
    8,718.84x = 13,049.68 × 4,764.04
  4. Step 4: Simplify right side
    8,718.84x = 62,169,197.51
  5. Step 5: Solve for x
    x = 62,169,197.51/8,718.84
  6. Step 6: Final answer
    x = 7,130.44

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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.