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Finding the Fourth Proportional to 1,052.68, 1,579.02 and 995.58

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Solution

The fourth proportional to 1,052.68, 1,579.02 and 995.58 is: 1,493.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052.68 : 1,579.02 = 995.58 : x
  2. Step 2: Convert to fraction form
    1,052.68/1,579.02 = 995.58/x
  3. Step 3: Cross multiply
    1,052.68x = 1,579.02 × 995.58
  4. Step 4: Simplify right side
    1,052.68x = 1,572,040.73
  5. Step 5: Solve for x
    x = 1,572,040.73/1,052.68
  6. Step 6: Final answer
    x = 1,493.37

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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.