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Finding the Fourth Proportional to 10,061, 15,091.26 and 3,491.72

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Solution

The fourth proportional to 10,061, 15,091.26 and 3,491.72 is: 5,237.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,061 : 15,091.26 = 3,491.72 : x
  2. Step 2: Convert to fraction form
    10,061/15,091.26 = 3,491.72/x
  3. Step 3: Cross multiply
    10,061x = 15,091.26 × 3,491.72
  4. Step 4: Simplify right side
    10,061x = 52,694,454.37
  5. Step 5: Solve for x
    x = 52,694,454.37/10,061
  6. Step 6: Final answer
    x = 5,237.50

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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.