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Finding the Fourth Proportional to 2,666.22, 3,999.28 and 1,496.22

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Solution

The fourth proportional to 2,666.22, 3,999.28 and 1,496.22 is: 2,244.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666.22 : 3,999.28 = 1,496.22 : x
  2. Step 2: Convert to fraction form
    2,666.22/3,999.28 = 1,496.22/x
  3. Step 3: Cross multiply
    2,666.22x = 3,999.28 × 1,496.22
  4. Step 4: Simplify right side
    2,666.22x = 5,983,802.72
  5. Step 5: Solve for x
    x = 5,983,802.72/2,666.22
  6. Step 6: Final answer
    x = 2,244.30

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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.