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Finding the Fourth Proportional to 56,616.40, 84,924.60 and 17,171.60

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Solution

The fourth proportional to 56,616.40, 84,924.60 and 17,171.60 is: 25,757.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,616.40 : 84,924.60 = 17,171.60 : x
  2. Step 2: Convert to fraction form
    56,616.40/84,924.60 = 17,171.60/x
  3. Step 3: Cross multiply
    56,616.40x = 84,924.60 × 17,171.60
  4. Step 4: Simplify right side
    56,616.40x = 1,458,291,261.36
  5. Step 5: Solve for x
    x = 1,458,291,261.36/56,616.40
  6. Step 6: Final answer
    x = 25,757.40

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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.