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Finding the Fourth Proportional to 9,801.52, 13,525.86 and 5,325.28

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Solution

The fourth proportional to 9,801.52, 13,525.86 and 5,325.28 is: 7,348.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,801.52 : 13,525.86 = 5,325.28 : x
  2. Step 2: Convert to fraction form
    9,801.52/13,525.86 = 5,325.28/x
  3. Step 3: Cross multiply
    9,801.52x = 13,525.86 × 5,325.28
  4. Step 4: Simplify right side
    9,801.52x = 72,028,991.74
  5. Step 5: Solve for x
    x = 72,028,991.74/9,801.52
  6. Step 6: Final answer
    x = 7,348.76

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Similar ratio
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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.