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Finding the Fourth Proportional to 9,551, 13,179.42 and 5,301.74

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Solution

The fourth proportional to 9,551, 13,179.42 and 5,301.74 is: 7,315.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,551 : 13,179.42 = 5,301.74 : x
  2. Step 2: Convert to fraction form
    9,551/13,179.42 = 5,301.74/x
  3. Step 3: Cross multiply
    9,551x = 13,179.42 × 5,301.74
  4. Step 4: Simplify right side
    9,551x = 69,873,858.19
  5. Step 5: Solve for x
    x = 69,873,858.19/9,551
  6. Step 6: Final answer
    x = 7,315.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.