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Finding the Fourth Proportional to 5,869.98, 8,796.75 and 4,218.78

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Solution

The fourth proportional to 5,869.98, 8,796.75 and 4,218.78 is: 6,322.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,869.98 : 8,796.75 = 4,218.78 : x
  2. Step 2: Convert to fraction form
    5,869.98/8,796.75 = 4,218.78/x
  3. Step 3: Cross multiply
    5,869.98x = 8,796.75 × 4,218.78
  4. Step 4: Simplify right side
    5,869.98x = 37,111,552.97
  5. Step 5: Solve for x
    x = 37,111,552.97/5,869.98
  6. Step 6: Final answer
    x = 6,322.26

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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.