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Finding the Fourth Proportional to 6,261.70, 9,392.55 and 5,237.70

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Solution

The fourth proportional to 6,261.70, 9,392.55 and 5,237.70 is: 7,856.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,261.70 : 9,392.55 = 5,237.70 : x
  2. Step 2: Convert to fraction form
    6,261.70/9,392.55 = 5,237.70/x
  3. Step 3: Cross multiply
    6,261.70x = 9,392.55 × 5,237.70
  4. Step 4: Simplify right side
    6,261.70x = 49,195,359.14
  5. Step 5: Solve for x
    x = 49,195,359.14/6,261.70
  6. Step 6: Final answer
    x = 7,856.55

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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.