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Finding the Fourth Proportional to 8,852.56, 12,216.07 and 4,872.91

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Solution

The fourth proportional to 8,852.56, 12,216.07 and 4,872.91 is: 6,724.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,852.56 : 12,216.07 = 4,872.91 : x
  2. Step 2: Convert to fraction form
    8,852.56/12,216.07 = 4,872.91/x
  3. Step 3: Cross multiply
    8,852.56x = 12,216.07 × 4,872.91
  4. Step 4: Simplify right side
    8,852.56x = 59,527,780.71
  5. Step 5: Solve for x
    x = 59,527,780.71/8,852.56
  6. Step 6: Final answer
    x = 6,724.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.