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Finding the Fourth Proportional to 8,852.52, 12,220.68 and 5,623.98

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Solution

The fourth proportional to 8,852.52, 12,220.68 and 5,623.98 is: 7,763.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,852.52 : 12,220.68 = 5,623.98 : x
  2. Step 2: Convert to fraction form
    8,852.52/12,220.68 = 5,623.98/x
  3. Step 3: Cross multiply
    8,852.52x = 12,220.68 × 5,623.98
  4. Step 4: Simplify right side
    8,852.52x = 68,728,859.91
  5. Step 5: Solve for x
    x = 68,728,859.91/8,852.52
  6. Step 6: Final answer
    x = 7,763.76

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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.