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Finding the Fourth Proportional to 14,237.16, 19,648.49 and 7,950.75

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Solution

The fourth proportional to 14,237.16, 19,648.49 and 7,950.75 is: 10,972.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,237.16 : 19,648.49 = 7,950.75 : x
  2. Step 2: Convert to fraction form
    14,237.16/19,648.49 = 7,950.75/x
  3. Step 3: Cross multiply
    14,237.16x = 19,648.49 × 7,950.75
  4. Step 4: Simplify right side
    14,237.16x = 156,220,231.87
  5. Step 5: Solve for x
    x = 156,220,231.87/14,237.16
  6. Step 6: Final answer
    x = 10,972.71

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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.