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Finding the Fourth Proportional to 8,822.71, 12,174.99 and 5,045.68

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Solution

The fourth proportional to 8,822.71, 12,174.99 and 5,045.68 is: 6,962.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,822.71 : 12,174.99 = 5,045.68 : x
  2. Step 2: Convert to fraction form
    8,822.71/12,174.99 = 5,045.68/x
  3. Step 3: Cross multiply
    8,822.71x = 12,174.99 × 5,045.68
  4. Step 4: Simplify right side
    8,822.71x = 61,431,103.54
  5. Step 5: Solve for x
    x = 61,431,103.54/8,822.71
  6. Step 6: Final answer
    x = 6,962.84

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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.