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Finding the Fourth Proportional to 2,354.58, 3,235.92 and 1,934.22

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Solution

The fourth proportional to 2,354.58, 3,235.92 and 1,934.22 is: 2,658.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,354.58 : 3,235.92 = 1,934.22 : x
  2. Step 2: Convert to fraction form
    2,354.58/3,235.92 = 1,934.22/x
  3. Step 3: Cross multiply
    2,354.58x = 3,235.92 × 1,934.22
  4. Step 4: Simplify right side
    2,354.58x = 6,258,981.18
  5. Step 5: Solve for x
    x = 6,258,981.18/2,354.58
  6. Step 6: Final answer
    x = 2,658.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.