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Finding the Fourth Proportional to 66,589.50, 99,898.83 and 25,036.50

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Solution

The fourth proportional to 66,589.50, 99,898.83 and 25,036.50 is: 37,560.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,589.50 : 99,898.83 = 25,036.50 : x
  2. Step 2: Convert to fraction form
    66,589.50/99,898.83 = 25,036.50/x
  3. Step 3: Cross multiply
    66,589.50x = 99,898.83 × 25,036.50
  4. Step 4: Simplify right side
    66,589.50x = 2,501,117,057.30
  5. Step 5: Solve for x
    x = 2,501,117,057.30/66,589.50
  6. Step 6: Final answer
    x = 37,560.23

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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.