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Finding the Fourth Proportional to 10,100.84, 15,151.27 and 4,834.61

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Solution

The fourth proportional to 10,100.84, 15,151.27 and 4,834.61 is: 7,251.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,100.84 : 15,151.27 = 4,834.61 : x
  2. Step 2: Convert to fraction form
    10,100.84/15,151.27 = 4,834.61/x
  3. Step 3: Cross multiply
    10,100.84x = 15,151.27 × 4,834.61
  4. Step 4: Simplify right side
    10,100.84x = 73,250,507.25
  5. Step 5: Solve for x
    x = 73,250,507.25/10,100.84
  6. Step 6: Final answer
    x = 7,251.93

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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.