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Finding the Fourth Proportional to 9,584.84, 13,227.36 and 5,393

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Solution

The fourth proportional to 9,584.84, 13,227.36 and 5,393 is: 7,442.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,584.84 : 13,227.36 = 5,393 : x
  2. Step 2: Convert to fraction form
    9,584.84/13,227.36 = 5,393/x
  3. Step 3: Cross multiply
    9,584.84x = 13,227.36 × 5,393
  4. Step 4: Simplify right side
    9,584.84x = 71,335,152.48
  5. Step 5: Solve for x
    x = 71,335,152.48/9,584.84
  6. Step 6: Final answer
    x = 7,442.50

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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.