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Finding the Fourth Proportional to 7,954.47, 10,977.48 and 5,441.85

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Solution

The fourth proportional to 7,954.47, 10,977.48 and 5,441.85 is: 7,509.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,954.47 : 10,977.48 = 5,441.85 : x
  2. Step 2: Convert to fraction form
    7,954.47/10,977.48 = 5,441.85/x
  3. Step 3: Cross multiply
    7,954.47x = 10,977.48 × 5,441.85
  4. Step 4: Simplify right side
    7,954.47x = 59,737,799.54
  5. Step 5: Solve for x
    x = 59,737,799.54/7,954.47
  6. Step 6: Final answer
    x = 7,509.97

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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.