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Finding the Fourth Proportional to 3,703.11, 5,108.54 and 2,641.11

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Solution

The fourth proportional to 3,703.11, 5,108.54 and 2,641.11 is: 3,643.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,703.11 : 5,108.54 = 2,641.11 : x
  2. Step 2: Convert to fraction form
    3,703.11/5,108.54 = 2,641.11/x
  3. Step 3: Cross multiply
    3,703.11x = 5,108.54 × 2,641.11
  4. Step 4: Simplify right side
    3,703.11x = 13,492,197.14
  5. Step 5: Solve for x
    x = 13,492,197.14/3,703.11
  6. Step 6: Final answer
    x = 3,643.48

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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.