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Finding the Fourth Proportional to 8,998.33, 13,497.06 and 3,154.49

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Solution

The fourth proportional to 8,998.33, 13,497.06 and 3,154.49 is: 4,731.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,998.33 : 13,497.06 = 3,154.49 : x
  2. Step 2: Convert to fraction form
    8,998.33/13,497.06 = 3,154.49/x
  3. Step 3: Cross multiply
    8,998.33x = 13,497.06 × 3,154.49
  4. Step 4: Simplify right side
    8,998.33x = 42,576,340.80
  5. Step 5: Solve for x
    x = 42,576,340.80/8,998.33
  6. Step 6: Final answer
    x = 4,731.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.