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Finding the Fourth Proportional to 11,449.74, 15,792.76 and 8,053.96

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Solution

The fourth proportional to 11,449.74, 15,792.76 and 8,053.96 is: 11,108.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,449.74 : 15,792.76 = 8,053.96 : x
  2. Step 2: Convert to fraction form
    11,449.74/15,792.76 = 8,053.96/x
  3. Step 3: Cross multiply
    11,449.74x = 15,792.76 × 8,053.96
  4. Step 4: Simplify right side
    11,449.74x = 127,194,138.10
  5. Step 5: Solve for x
    x = 127,194,138.10/11,449.74
  6. Step 6: Final answer
    x = 11,108.91

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.