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Finding the Fourth Proportional to 2,987.07, 4,124.07 and 2,044.44

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Solution

The fourth proportional to 2,987.07, 4,124.07 and 2,044.44 is: 2,822.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987.07 : 4,124.07 = 2,044.44 : x
  2. Step 2: Convert to fraction form
    2,987.07/4,124.07 = 2,044.44/x
  3. Step 3: Cross multiply
    2,987.07x = 4,124.07 × 2,044.44
  4. Step 4: Simplify right side
    2,987.07x = 8,431,413.67
  5. Step 5: Solve for x
    x = 8,431,413.67/2,987.07
  6. Step 6: Final answer
    x = 2,822.64

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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.