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Finding the Fourth Proportional to 69,933.64, 104,807.04 and 25,518.64

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Solution

The fourth proportional to 69,933.64, 104,807.04 and 25,518.64 is: 38,243.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,933.64 : 104,807.04 = 25,518.64 : x
  2. Step 2: Convert to fraction form
    69,933.64/104,807.04 = 25,518.64/x
  3. Step 3: Cross multiply
    69,933.64x = 104,807.04 × 25,518.64
  4. Step 4: Simplify right side
    69,933.64x = 2,674,533,123.23
  5. Step 5: Solve for x
    x = 2,674,533,123.23/69,933.64
  6. Step 6: Final answer
    x = 38,243.87

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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.