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Finding the Fourth Proportional to 8,851.32, 13,277.01 and 2,928.54

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Solution

The fourth proportional to 8,851.32, 13,277.01 and 2,928.54 is: 4,392.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,851.32 : 13,277.01 = 2,928.54 : x
  2. Step 2: Convert to fraction form
    8,851.32/13,277.01 = 2,928.54/x
  3. Step 3: Cross multiply
    8,851.32x = 13,277.01 × 2,928.54
  4. Step 4: Simplify right side
    8,851.32x = 38,882,254.87
  5. Step 5: Solve for x
    x = 38,882,254.87/8,851.32
  6. Step 6: Final answer
    x = 4,392.82

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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.