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Finding the Fourth Proportional to 56,882.88, 85,340.72 and 17,445.80

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Solution

The fourth proportional to 56,882.88, 85,340.72 and 17,445.80 is: 26,173.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,882.88 : 85,340.72 = 17,445.80 : x
  2. Step 2: Convert to fraction form
    56,882.88/85,340.72 = 17,445.80/x
  3. Step 3: Cross multiply
    56,882.88x = 85,340.72 × 17,445.80
  4. Step 4: Simplify right side
    56,882.88x = 1,488,837,132.98
  5. Step 5: Solve for x
    x = 1,488,837,132.98/56,882.88
  6. Step 6: Final answer
    x = 26,173.73

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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.