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Finding the Fourth Proportional to 56,868.08, 85,299.04 and 17,425.31

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Solution

The fourth proportional to 56,868.08, 85,299.04 and 17,425.31 is: 26,137.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,868.08 : 85,299.04 = 17,425.31 : x
  2. Step 2: Convert to fraction form
    56,868.08/85,299.04 = 17,425.31/x
  3. Step 3: Cross multiply
    56,868.08x = 85,299.04 × 17,425.31
  4. Step 4: Simplify right side
    56,868.08x = 1,486,361,701.08
  5. Step 5: Solve for x
    x = 1,486,361,701.08/56,868.08
  6. Step 6: Final answer
    x = 26,137.01

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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.