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Finding the Fourth Proportional to 9,859.33, 13,604.22 and 5,878.99

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Solution

The fourth proportional to 9,859.33, 13,604.22 and 5,878.99 is: 8,112.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,859.33 : 13,604.22 = 5,878.99 : x
  2. Step 2: Convert to fraction form
    9,859.33/13,604.22 = 5,878.99/x
  3. Step 3: Cross multiply
    9,859.33x = 13,604.22 × 5,878.99
  4. Step 4: Simplify right side
    9,859.33x = 79,979,073.34
  5. Step 5: Solve for x
    x = 79,979,073.34/9,859.33
  6. Step 6: Final answer
    x = 8,112.02

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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.