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Finding the Fourth Proportional to 56,575.72, 84,830.91 and 23,318.74

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Solution

The fourth proportional to 56,575.72, 84,830.91 and 23,318.74 is: 34,964.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,575.72 : 84,830.91 = 23,318.74 : x
  2. Step 2: Convert to fraction form
    56,575.72/84,830.91 = 23,318.74/x
  3. Step 3: Cross multiply
    56,575.72x = 84,830.91 × 23,318.74
  4. Step 4: Simplify right side
    56,575.72x = 1,978,149,934.25
  5. Step 5: Solve for x
    x = 1,978,149,934.25/56,575.72
  6. Step 6: Final answer
    x = 34,964.64

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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.