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Finding the Fourth Proportional to 9,906.54, 14,860.08 and 2,886.27

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Solution

The fourth proportional to 9,906.54, 14,860.08 and 2,886.27 is: 4,329.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,906.54 : 14,860.08 = 2,886.27 : x
  2. Step 2: Convert to fraction form
    9,906.54/14,860.08 = 2,886.27/x
  3. Step 3: Cross multiply
    9,906.54x = 14,860.08 × 2,886.27
  4. Step 4: Simplify right side
    9,906.54x = 42,890,203.10
  5. Step 5: Solve for x
    x = 42,890,203.10/9,906.54
  6. Step 6: Final answer
    x = 4,329.48

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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.