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Finding the Fourth Proportional to 8,800.88, 12,145.21 and 4,822.00

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Solution

The fourth proportional to 8,800.88, 12,145.21 and 4,822.00 is: 6,654.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,800.88 : 12,145.21 = 4,822.00 : x
  2. Step 2: Convert to fraction form
    8,800.88/12,145.21 = 4,822.00/x
  3. Step 3: Cross multiply
    8,800.88x = 12,145.21 × 4,822.00
  4. Step 4: Simplify right side
    8,800.88x = 58,564,160.20
  5. Step 5: Solve for x
    x = 58,564,160.20/8,800.88
  6. Step 6: Final answer
    x = 6,654.36

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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.