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Finding the Fourth Proportional to 56,618.64, 84,928.28 and 17,175.80

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Solution

The fourth proportional to 56,618.64, 84,928.28 and 17,175.80 is: 25,763.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,618.64 : 84,928.28 = 17,175.80 : x
  2. Step 2: Convert to fraction form
    56,618.64/84,928.28 = 17,175.80/x
  3. Step 3: Cross multiply
    56,618.64x = 84,928.28 × 17,175.80
  4. Step 4: Simplify right side
    56,618.64x = 1,458,710,641.10
  5. Step 5: Solve for x
    x = 1,458,710,641.10/56,618.64
  6. Step 6: Final answer
    x = 25,763.79

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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.