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Finding the Fourth Proportional to 6,220.01, 8,585.38 and 4,097.09

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Solution

The fourth proportional to 6,220.01, 8,585.38 and 4,097.09 is: 5,655.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.01 : 8,585.38 = 4,097.09 : x
  2. Step 2: Convert to fraction form
    6,220.01/8,585.38 = 4,097.09/x
  3. Step 3: Cross multiply
    6,220.01x = 8,585.38 × 4,097.09
  4. Step 4: Simplify right side
    6,220.01x = 35,175,101.13
  5. Step 5: Solve for x
    x = 35,175,101.13/6,220.01
  6. Step 6: Final answer
    x = 5,655.15

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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.