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Finding the Fourth Proportional to 14,754.71, 22,144.76 and 7,739.60

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Solution

The fourth proportional to 14,754.71, 22,144.76 and 7,739.60 is: 11,616.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,754.71 : 22,144.76 = 7,739.60 : x
  2. Step 2: Convert to fraction form
    14,754.71/22,144.76 = 7,739.60/x
  3. Step 3: Cross multiply
    14,754.71x = 22,144.76 × 7,739.60
  4. Step 4: Simplify right side
    14,754.71x = 171,391,435.07
  5. Step 5: Solve for x
    x = 171,391,435.07/14,754.71
  6. Step 6: Final answer
    x = 11,616.05

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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.