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Finding the Fourth Proportional to 56,561.69, 84,843.75 and 17,118.74

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Solution

The fourth proportional to 56,561.69, 84,843.75 and 17,118.74 is: 25,678.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,561.69 : 84,843.75 = 17,118.74 : x
  2. Step 2: Convert to fraction form
    56,561.69/84,843.75 = 17,118.74/x
  3. Step 3: Cross multiply
    56,561.69x = 84,843.75 × 17,118.74
  4. Step 4: Simplify right side
    56,561.69x = 1,452,418,096.88
  5. Step 5: Solve for x
    x = 1,452,418,096.88/56,561.69
  6. Step 6: Final answer
    x = 25,678.48

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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.