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Finding the Fourth Proportional to 8,368.80, 12,552.52 and 2,822.02

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Solution

The fourth proportional to 8,368.80, 12,552.52 and 2,822.02 is: 4,232.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,368.80 : 12,552.52 = 2,822.02 : x
  2. Step 2: Convert to fraction form
    8,368.80/12,552.52 = 2,822.02/x
  3. Step 3: Cross multiply
    8,368.80x = 12,552.52 × 2,822.02
  4. Step 4: Simplify right side
    8,368.80x = 35,423,462.49
  5. Step 5: Solve for x
    x = 35,423,462.49/8,368.80
  6. Step 6: Final answer
    x = 4,232.80

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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.