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Finding the Fourth Proportional to 7,224.84, 10,832.40 and 3,934.80

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Solution

The fourth proportional to 7,224.84, 10,832.40 and 3,934.80 is: 5,899.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,224.84 : 10,832.40 = 3,934.80 : x
  2. Step 2: Convert to fraction form
    7,224.84/10,832.40 = 3,934.80/x
  3. Step 3: Cross multiply
    7,224.84x = 10,832.40 × 3,934.80
  4. Step 4: Simplify right side
    7,224.84x = 42,623,327.52
  5. Step 5: Solve for x
    x = 42,623,327.52/7,224.84
  6. Step 6: Final answer
    x = 5,899.55

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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.