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Finding the Fourth Proportional to 9,840.11, 14,754.74 and 6,723.63

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Solution

The fourth proportional to 9,840.11, 14,754.74 and 6,723.63 is: 10,081.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,840.11 : 14,754.74 = 6,723.63 : x
  2. Step 2: Convert to fraction form
    9,840.11/14,754.74 = 6,723.63/x
  3. Step 3: Cross multiply
    9,840.11x = 14,754.74 × 6,723.63
  4. Step 4: Simplify right side
    9,840.11x = 99,205,486.57
  5. Step 5: Solve for x
    x = 99,205,486.57/9,840.11
  6. Step 6: Final answer
    x = 10,081.75

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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.