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Finding the Fourth Proportional to 2,572.17, 3,858.25 and 624.37

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Solution

The fourth proportional to 2,572.17, 3,858.25 and 624.37 is: 936.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,572.17 : 3,858.25 = 624.37 : x
  2. Step 2: Convert to fraction form
    2,572.17/3,858.25 = 624.37/x
  3. Step 3: Cross multiply
    2,572.17x = 3,858.25 × 624.37
  4. Step 4: Simplify right side
    2,572.17x = 2,408,964.35
  5. Step 5: Solve for x
    x = 2,408,964.35/2,572.17
  6. Step 6: Final answer
    x = 936.55

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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.