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Finding the Fourth Proportional to 1,000.49, 1,498.91 and 737.59

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Solution

The fourth proportional to 1,000.49, 1,498.91 and 737.59 is: 1,105.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000.49 : 1,498.91 = 737.59 : x
  2. Step 2: Convert to fraction form
    1,000.49/1,498.91 = 737.59/x
  3. Step 3: Cross multiply
    1,000.49x = 1,498.91 × 737.59
  4. Step 4: Simplify right side
    1,000.49x = 1,105,581.03
  5. Step 5: Solve for x
    x = 1,105,581.03/1,000.49
  6. Step 6: Final answer
    x = 1,105.04

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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.