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Finding the Fourth Proportional to 56,661.73, 84,990.50 and 23,356.79

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Solution

The fourth proportional to 56,661.73, 84,990.50 and 23,356.79 is: 35,034.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,661.73 : 84,990.50 = 23,356.79 : x
  2. Step 2: Convert to fraction form
    56,661.73/84,990.50 = 23,356.79/x
  3. Step 3: Cross multiply
    56,661.73x = 84,990.50 × 23,356.79
  4. Step 4: Simplify right side
    56,661.73x = 1,985,105,125.06
  5. Step 5: Solve for x
    x = 1,985,105,125.06/56,661.73
  6. Step 6: Final answer
    x = 35,034.32

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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.