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Finding the Fourth Proportional to 3,706.03, 5,559.05 and 1,108.97

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Solution

The fourth proportional to 3,706.03, 5,559.05 and 1,108.97 is: 1,663.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,706.03 : 5,559.05 = 1,108.97 : x
  2. Step 2: Convert to fraction form
    3,706.03/5,559.05 = 1,108.97/x
  3. Step 3: Cross multiply
    3,706.03x = 5,559.05 × 1,108.97
  4. Step 4: Simplify right side
    3,706.03x = 6,164,815.50
  5. Step 5: Solve for x
    x = 6,164,815.50/3,706.03
  6. Step 6: Final answer
    x = 1,663.45

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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.