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Finding the Fourth Proportional to 4,048.99, 6,073.49 and 1,275.89

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Solution

The fourth proportional to 4,048.99, 6,073.49 and 1,275.89 is: 1,913.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,048.99 : 6,073.49 = 1,275.89 : x
  2. Step 2: Convert to fraction form
    4,048.99/6,073.49 = 1,275.89/x
  3. Step 3: Cross multiply
    4,048.99x = 6,073.49 × 1,275.89
  4. Step 4: Simplify right side
    4,048.99x = 7,749,077.98
  5. Step 5: Solve for x
    x = 7,749,077.98/4,048.99
  6. Step 6: Final answer
    x = 1,913.83

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Double scale
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Similar ratio
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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.