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Finding the Fourth Proportional to 5,746.44, 8,619.42 and 1,642.44

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Solution

The fourth proportional to 5,746.44, 8,619.42 and 1,642.44 is: 2,463.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,746.44 : 8,619.42 = 1,642.44 : x
  2. Step 2: Convert to fraction form
    5,746.44/8,619.42 = 1,642.44/x
  3. Step 3: Cross multiply
    5,746.44x = 8,619.42 × 1,642.44
  4. Step 4: Simplify right side
    5,746.44x = 14,156,880.18
  5. Step 5: Solve for x
    x = 14,156,880.18/5,746.44
  6. Step 6: Final answer
    x = 2,463.59

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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.