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Finding the Fourth Proportional to 8,886.42, 13,313.97 and 5,923.31

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Solution

The fourth proportional to 8,886.42, 13,313.97 and 5,923.31 is: 8,874.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,886.42 : 13,313.97 = 5,923.31 : x
  2. Step 2: Convert to fraction form
    8,886.42/13,313.97 = 5,923.31/x
  3. Step 3: Cross multiply
    8,886.42x = 13,313.97 × 5,923.31
  4. Step 4: Simplify right side
    8,886.42x = 78,862,705.07
  5. Step 5: Solve for x
    x = 78,862,705.07/8,886.42
  6. Step 6: Final answer
    x = 8,874.52

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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.