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Finding the Fourth Proportional to 9,809.39, 14,715.12 and 3,235.61

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Solution

The fourth proportional to 9,809.39, 14,715.12 and 3,235.61 is: 4,853.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,809.39 : 14,715.12 = 3,235.61 : x
  2. Step 2: Convert to fraction form
    9,809.39/14,715.12 = 3,235.61/x
  3. Step 3: Cross multiply
    9,809.39x = 14,715.12 × 3,235.61
  4. Step 4: Simplify right side
    9,809.39x = 47,612,389.42
  5. Step 5: Solve for x
    x = 47,612,389.42/9,809.39
  6. Step 6: Final answer
    x = 4,853.76

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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.