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Finding the Fourth Proportional to 9,527, 13,147.14 and 5,550.44

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Solution

The fourth proportional to 9,527, 13,147.14 and 5,550.44 is: 7,659.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,527 : 13,147.14 = 5,550.44 : x
  2. Step 2: Convert to fraction form
    9,527/13,147.14 = 5,550.44/x
  3. Step 3: Cross multiply
    9,527x = 13,147.14 × 5,550.44
  4. Step 4: Simplify right side
    9,527x = 72,972,411.74
  5. Step 5: Solve for x
    x = 72,972,411.74/9,527
  6. Step 6: Final answer
    x = 7,659.54

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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.