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Finding the Fourth Proportional to 4,008.77, 5,532.13 and 2,216.22

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Solution

The fourth proportional to 4,008.77, 5,532.13 and 2,216.22 is: 3,058.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,008.77 : 5,532.13 = 2,216.22 : x
  2. Step 2: Convert to fraction form
    4,008.77/5,532.13 = 2,216.22/x
  3. Step 3: Cross multiply
    4,008.77x = 5,532.13 × 2,216.22
  4. Step 4: Simplify right side
    4,008.77x = 12,260,401.94
  5. Step 5: Solve for x
    x = 12,260,401.94/4,008.77
  6. Step 6: Final answer
    x = 3,058.40

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Find fourth proportional to 2,004.38, 2,766.07 and 1,108.11
Half scale
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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.