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Finding the Fourth Proportional to 5,839.88, 8,794.79 and 4,921.16

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Solution

The fourth proportional to 5,839.88, 8,794.79 and 4,921.16 is: 7,411.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,839.88 : 8,794.79 = 4,921.16 : x
  2. Step 2: Convert to fraction form
    5,839.88/8,794.79 = 4,921.16/x
  3. Step 3: Cross multiply
    5,839.88x = 8,794.79 × 4,921.16
  4. Step 4: Simplify right side
    5,839.88x = 43,280,568.76
  5. Step 5: Solve for x
    x = 43,280,568.76/5,839.88
  6. Step 6: Final answer
    x = 7,411.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.