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Finding the Fourth Proportional to 8,926.16, 13,390.88 and 3,002.48

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Solution

The fourth proportional to 8,926.16, 13,390.88 and 3,002.48 is: 4,504.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,926.16 : 13,390.88 = 3,002.48 : x
  2. Step 2: Convert to fraction form
    8,926.16/13,390.88 = 3,002.48/x
  3. Step 3: Cross multiply
    8,926.16x = 13,390.88 × 3,002.48
  4. Step 4: Simplify right side
    8,926.16x = 40,205,849.38
  5. Step 5: Solve for x
    x = 40,205,849.38/8,926.16
  6. Step 6: Final answer
    x = 4,504.27

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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.