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Finding the Fourth Proportional to 9,806.54, 14,709.78 and 4,259.16

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Solution

The fourth proportional to 9,806.54, 14,709.78 and 4,259.16 is: 6,388.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,806.54 : 14,709.78 = 4,259.16 : x
  2. Step 2: Convert to fraction form
    9,806.54/14,709.78 = 4,259.16/x
  3. Step 3: Cross multiply
    9,806.54x = 14,709.78 × 4,259.16
  4. Step 4: Simplify right side
    9,806.54x = 62,651,306.58
  5. Step 5: Solve for x
    x = 62,651,306.58/9,806.54
  6. Step 6: Final answer
    x = 6,388.73

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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.