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Finding the Fourth Proportional to 2,937.22, 4,055.22 and 2,055.12

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Solution

The fourth proportional to 2,937.22, 4,055.22 and 2,055.12 is: 2,837.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,937.22 : 4,055.22 = 2,055.12 : x
  2. Step 2: Convert to fraction form
    2,937.22/4,055.22 = 2,055.12/x
  3. Step 3: Cross multiply
    2,937.22x = 4,055.22 × 2,055.12
  4. Step 4: Simplify right side
    2,937.22x = 8,333,963.73
  5. Step 5: Solve for x
    x = 8,333,963.73/2,937.22
  6. Step 6: Final answer
    x = 2,837.36

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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.