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Finding the Fourth Proportional to 9,855.31, 13,600.22 and 5,606.28

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Solution

The fourth proportional to 9,855.31, 13,600.22 and 5,606.28 is: 7,736.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,855.31 : 13,600.22 = 5,606.28 : x
  2. Step 2: Convert to fraction form
    9,855.31/13,600.22 = 5,606.28/x
  3. Step 3: Cross multiply
    9,855.31x = 13,600.22 × 5,606.28
  4. Step 4: Simplify right side
    9,855.31x = 76,246,599.34
  5. Step 5: Solve for x
    x = 76,246,599.34/9,855.31
  6. Step 6: Final answer
    x = 7,736.60

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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.