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Finding the Fourth Proportional to 5,878.26, 8,816.42 and 1,717.28

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Solution

The fourth proportional to 5,878.26, 8,816.42 and 1,717.28 is: 2,575.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,878.26 : 8,816.42 = 1,717.28 : x
  2. Step 2: Convert to fraction form
    5,878.26/8,816.42 = 1,717.28/x
  3. Step 3: Cross multiply
    5,878.26x = 8,816.42 × 1,717.28
  4. Step 4: Simplify right side
    5,878.26x = 15,140,261.74
  5. Step 5: Solve for x
    x = 15,140,261.74/5,878.26
  6. Step 6: Final answer
    x = 2,575.64

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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.