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Finding the Fourth Proportional to 3,390.33, 5,089.16 and 2,848.44

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Solution

The fourth proportional to 3,390.33, 5,089.16 and 2,848.44 is: 4,275.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390.33 : 5,089.16 = 2,848.44 : x
  2. Step 2: Convert to fraction form
    3,390.33/5,089.16 = 2,848.44/x
  3. Step 3: Cross multiply
    3,390.33x = 5,089.16 × 2,848.44
  4. Step 4: Simplify right side
    3,390.33x = 14,496,166.91
  5. Step 5: Solve for x
    x = 14,496,166.91/3,390.33
  6. Step 6: Final answer
    x = 4,275.74

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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.