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Finding the Fourth Proportional to 5,920.94, 8,883.18 and 1,761.09

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Solution

The fourth proportional to 5,920.94, 8,883.18 and 1,761.09 is: 2,642.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.94 : 8,883.18 = 1,761.09 : x
  2. Step 2: Convert to fraction form
    5,920.94/8,883.18 = 1,761.09/x
  3. Step 3: Cross multiply
    5,920.94x = 8,883.18 × 1,761.09
  4. Step 4: Simplify right side
    5,920.94x = 15,644,079.47
  5. Step 5: Solve for x
    x = 15,644,079.47/5,920.94
  6. Step 6: Final answer
    x = 2,642.16

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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.