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Finding the Fourth Proportional to 6,235.50, 9,353.25 and 3,157.50

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Solution

The fourth proportional to 6,235.50, 9,353.25 and 3,157.50 is: 4,736.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,235.50 : 9,353.25 = 3,157.50 : x
  2. Step 2: Convert to fraction form
    6,235.50/9,353.25 = 3,157.50/x
  3. Step 3: Cross multiply
    6,235.50x = 9,353.25 × 3,157.50
  4. Step 4: Simplify right side
    6,235.50x = 29,532,886.88
  5. Step 5: Solve for x
    x = 29,532,886.88/6,235.50
  6. Step 6: Final answer
    x = 4,736.25

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Double scale
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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.