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Finding the Fourth Proportional to 8,001.15, 12,001.73 and 7,029.15

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Solution

The fourth proportional to 8,001.15, 12,001.73 and 7,029.15 is: 10,543.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,001.15 : 12,001.73 = 7,029.15 : x
  2. Step 2: Convert to fraction form
    8,001.15/12,001.73 = 7,029.15/x
  3. Step 3: Cross multiply
    8,001.15x = 12,001.73 × 7,029.15
  4. Step 4: Simplify right side
    8,001.15x = 84,361,925.28
  5. Step 5: Solve for x
    x = 84,361,925.28/8,001.15
  6. Step 6: Final answer
    x = 10,543.73

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Half scale
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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.