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Finding the Fourth Proportional to 9,839.95, 14,754.50 and 6,723.47

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Solution

The fourth proportional to 9,839.95, 14,754.50 and 6,723.47 is: 10,081.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,839.95 : 14,754.50 = 6,723.47 : x
  2. Step 2: Convert to fraction form
    9,839.95/14,754.50 = 6,723.47/x
  3. Step 3: Cross multiply
    9,839.95x = 14,754.50 × 6,723.47
  4. Step 4: Simplify right side
    9,839.95x = 99,201,438.12
  5. Step 5: Solve for x
    x = 99,201,438.12/9,839.95
  6. Step 6: Final answer
    x = 10,081.50

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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.