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Finding the Fourth Proportional to 7,444.88, 10,273.44 and 4,087

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Solution

The fourth proportional to 7,444.88, 10,273.44 and 4,087 is: 5,639.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,444.88 : 10,273.44 = 4,087 : x
  2. Step 2: Convert to fraction form
    7,444.88/10,273.44 = 4,087/x
  3. Step 3: Cross multiply
    7,444.88x = 10,273.44 × 4,087
  4. Step 4: Simplify right side
    7,444.88x = 41,987,549.28
  5. Step 5: Solve for x
    x = 41,987,549.28/7,444.88
  6. Step 6: Final answer
    x = 5,639.79

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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.