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Finding the Fourth Proportional to 8,853.52, 12,219.93 and 5,076.61

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Solution

The fourth proportional to 8,853.52, 12,219.93 and 5,076.61 is: 7,006.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,853.52 : 12,219.93 = 5,076.61 : x
  2. Step 2: Convert to fraction form
    8,853.52/12,219.93 = 5,076.61/x
  3. Step 3: Cross multiply
    8,853.52x = 12,219.93 × 5,076.61
  4. Step 4: Simplify right side
    8,853.52x = 62,035,793.45
  5. Step 5: Solve for x
    x = 62,035,793.45/8,853.52
  6. Step 6: Final answer
    x = 7,006.91

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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.