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Finding the Fourth Proportional to 56,650.69, 84,971.13 and 26,657.82

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Solution

The fourth proportional to 56,650.69, 84,971.13 and 26,657.82 is: 39,984.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,650.69 : 84,971.13 = 26,657.82 : x
  2. Step 2: Convert to fraction form
    56,650.69/84,971.13 = 26,657.82/x
  3. Step 3: Cross multiply
    56,650.69x = 84,971.13 × 26,657.82
  4. Step 4: Simplify right side
    56,650.69x = 2,265,145,088.74
  5. Step 5: Solve for x
    x = 2,265,145,088.74/56,650.69
  6. Step 6: Final answer
    x = 39,984.42

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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.