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Finding the Fourth Proportional to 8,801.76, 12,146.43 and 4,822.87

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Solution

The fourth proportional to 8,801.76, 12,146.43 and 4,822.87 is: 6,655.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,801.76 : 12,146.43 = 4,822.87 : x
  2. Step 2: Convert to fraction form
    8,801.76/12,146.43 = 4,822.87/x
  3. Step 3: Cross multiply
    8,801.76x = 12,146.43 × 4,822.87
  4. Step 4: Simplify right side
    8,801.76x = 58,580,615.62
  5. Step 5: Solve for x
    x = 58,580,615.62/8,801.76
  6. Step 6: Final answer
    x = 6,655.55

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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.