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Finding the Fourth Proportional to 5,073.61, 7,001.72 and 2,835.73

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Solution

The fourth proportional to 5,073.61, 7,001.72 and 2,835.73 is: 3,913.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,073.61 : 7,001.72 = 2,835.73 : x
  2. Step 2: Convert to fraction form
    5,073.61/7,001.72 = 2,835.73/x
  3. Step 3: Cross multiply
    5,073.61x = 7,001.72 × 2,835.73
  4. Step 4: Simplify right side
    5,073.61x = 19,854,987.46
  5. Step 5: Solve for x
    x = 19,854,987.46/5,073.61
  6. Step 6: Final answer
    x = 3,913.38

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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.