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Finding the Fourth Proportional to 2,970.03, 4,456.04 and 995.87

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Solution

The fourth proportional to 2,970.03, 4,456.04 and 995.87 is: 1,494.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970.03 : 4,456.04 = 995.87 : x
  2. Step 2: Convert to fraction form
    2,970.03/4,456.04 = 995.87/x
  3. Step 3: Cross multiply
    2,970.03x = 4,456.04 × 995.87
  4. Step 4: Simplify right side
    2,970.03x = 4,437,609.30
  5. Step 5: Solve for x
    x = 4,437,609.30/2,970.03
  6. Step 6: Final answer
    x = 1,494.13

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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.