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Finding the Fourth Proportional to 14,301.62, 19,737 and 7,928.06

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Solution

The fourth proportional to 14,301.62, 19,737 and 7,928.06 is: 10,941.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,301.62 : 19,737 = 7,928.06 : x
  2. Step 2: Convert to fraction form
    14,301.62/19,737 = 7,928.06/x
  3. Step 3: Cross multiply
    14,301.62x = 19,737 × 7,928.06
  4. Step 4: Simplify right side
    14,301.62x = 156,476,169.56
  5. Step 5: Solve for x
    x = 156,476,169.56/14,301.62
  6. Step 6: Final answer
    x = 10,941.15

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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.