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Finding the Fourth Proportional to 3,703.62, 5,108.16 and 3,436.12

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Solution

The fourth proportional to 3,703.62, 5,108.16 and 3,436.12 is: 4,739.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,703.62 : 5,108.16 = 3,436.12 : x
  2. Step 2: Convert to fraction form
    3,703.62/5,108.16 = 3,436.12/x
  3. Step 3: Cross multiply
    3,703.62x = 5,108.16 × 3,436.12
  4. Step 4: Simplify right side
    3,703.62x = 17,552,270.01
  5. Step 5: Solve for x
    x = 17,552,270.01/3,703.62
  6. Step 6: Final answer
    x = 4,739.22

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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.