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Finding the Fourth Proportional to 10,552.44, 15,799.93 and 7,427.76

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Solution

The fourth proportional to 10,552.44, 15,799.93 and 7,427.76 is: 11,121.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,552.44 : 15,799.93 = 7,427.76 : x
  2. Step 2: Convert to fraction form
    10,552.44/15,799.93 = 7,427.76/x
  3. Step 3: Cross multiply
    10,552.44x = 15,799.93 × 7,427.76
  4. Step 4: Simplify right side
    10,552.44x = 117,357,971.92
  5. Step 5: Solve for x
    x = 117,357,971.92/10,552.44
  6. Step 6: Final answer
    x = 11,121.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.