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Finding the Fourth Proportional to 5,859.80, 8,828.91 and 5,305.24

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Solution

The fourth proportional to 5,859.80, 8,828.91 and 5,305.24 is: 7,993.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,859.80 : 8,828.91 = 5,305.24 : x
  2. Step 2: Convert to fraction form
    5,859.80/8,828.91 = 5,305.24/x
  3. Step 3: Cross multiply
    5,859.80x = 8,828.91 × 5,305.24
  4. Step 4: Simplify right side
    5,859.80x = 46,839,486.49
  5. Step 5: Solve for x
    x = 46,839,486.49/5,859.80
  6. Step 6: Final answer
    x = 7,993.36

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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.