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Finding the Fourth Proportional to 56,668.55, 85,007.61 and 17,226

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Solution

The fourth proportional to 56,668.55, 85,007.61 and 17,226 is: 25,840.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,668.55 : 85,007.61 = 17,226 : x
  2. Step 2: Convert to fraction form
    56,668.55/85,007.61 = 17,226/x
  3. Step 3: Cross multiply
    56,668.55x = 85,007.61 × 17,226
  4. Step 4: Simplify right side
    56,668.55x = 1,464,341,089.86
  5. Step 5: Solve for x
    x = 1,464,341,089.86/56,668.55
  6. Step 6: Final answer
    x = 25,840.46

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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.