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Finding the Fourth Proportional to 7,998.49, 11,037.90 and 4,461.49

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Solution

The fourth proportional to 7,998.49, 11,037.90 and 4,461.49 is: 6,156.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,998.49 : 11,037.90 = 4,461.49 : x
  2. Step 2: Convert to fraction form
    7,998.49/11,037.90 = 4,461.49/x
  3. Step 3: Cross multiply
    7,998.49x = 11,037.90 × 4,461.49
  4. Step 4: Simplify right side
    7,998.49x = 49,245,480.47
  5. Step 5: Solve for x
    x = 49,245,480.47/7,998.49
  6. Step 6: Final answer
    x = 6,156.85

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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.