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Finding the Fourth Proportional to 8,899.29, 13,348.89 and 8,358.01

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Solution

The fourth proportional to 8,899.29, 13,348.89 and 8,358.01 is: 12,536.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,899.29 : 13,348.89 = 8,358.01 : x
  2. Step 2: Convert to fraction form
    8,899.29/13,348.89 = 8,358.01/x
  3. Step 3: Cross multiply
    8,899.29x = 13,348.89 × 8,358.01
  4. Step 4: Simplify right side
    8,899.29x = 111,570,122.74
  5. Step 5: Solve for x
    x = 111,570,122.74/8,899.29
  6. Step 6: Final answer
    x = 12,536.97

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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.