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Finding the Fourth Proportional to 9,847.12, 14,754.27 and 6,920.18

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Solution

The fourth proportional to 9,847.12, 14,754.27 and 6,920.18 is: 10,368.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,847.12 : 14,754.27 = 6,920.18 : x
  2. Step 2: Convert to fraction form
    9,847.12/14,754.27 = 6,920.18/x
  3. Step 3: Cross multiply
    9,847.12x = 14,754.27 × 6,920.18
  4. Step 4: Simplify right side
    9,847.12x = 102,102,255.74
  5. Step 5: Solve for x
    x = 102,102,255.74/9,847.12
  6. Step 6: Final answer
    x = 10,368.74

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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.