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Finding the Fourth Proportional to 8,976.54, 13,452.93 and 6,888.56

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Solution

The fourth proportional to 8,976.54, 13,452.93 and 6,888.56 is: 10,323.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,976.54 : 13,452.93 = 6,888.56 : x
  2. Step 2: Convert to fraction form
    8,976.54/13,452.93 = 6,888.56/x
  3. Step 3: Cross multiply
    8,976.54x = 13,452.93 × 6,888.56
  4. Step 4: Simplify right side
    8,976.54x = 92,671,349.11
  5. Step 5: Solve for x
    x = 92,671,349.11/8,976.54
  6. Step 6: Final answer
    x = 10,323.73

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1.5x scale

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.