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Finding the Fourth Proportional to 3,503.46, 4,833.92 and 1,990.69

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Solution

The fourth proportional to 3,503.46, 4,833.92 and 1,990.69 is: 2,746.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,503.46 : 4,833.92 = 1,990.69 : x
  2. Step 2: Convert to fraction form
    3,503.46/4,833.92 = 1,990.69/x
  3. Step 3: Cross multiply
    3,503.46x = 4,833.92 × 1,990.69
  4. Step 4: Simplify right side
    3,503.46x = 9,622,829.10
  5. Step 5: Solve for x
    x = 9,622,829.10/3,503.46
  6. Step 6: Final answer
    x = 2,746.66

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Half scale
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Double scale
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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.