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Finding the Fourth Proportional to 3,865.88, 5,798.79 and 944.16

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Solution

The fourth proportional to 3,865.88, 5,798.79 and 944.16 is: 1,416.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865.88 : 5,798.79 = 944.16 : x
  2. Step 2: Convert to fraction form
    3,865.88/5,798.79 = 944.16/x
  3. Step 3: Cross multiply
    3,865.88x = 5,798.79 × 944.16
  4. Step 4: Simplify right side
    3,865.88x = 5,474,963.82
  5. Step 5: Solve for x
    x = 5,474,963.82/3,865.88
  6. Step 6: Final answer
    x = 1,416.23

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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.