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Finding the Fourth Proportional to 69,502.64, 104,246.64 and 19,581.44

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Solution

The fourth proportional to 69,502.64, 104,246.64 and 19,581.44 is: 29,370.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,502.64 : 104,246.64 = 19,581.44 : x
  2. Step 2: Convert to fraction form
    69,502.64/104,246.64 = 19,581.44/x
  3. Step 3: Cross multiply
    69,502.64x = 104,246.64 × 19,581.44
  4. Step 4: Simplify right side
    69,502.64x = 2,041,299,326.36
  5. Step 5: Solve for x
    x = 2,041,299,326.36/69,502.64
  6. Step 6: Final answer
    x = 29,370.10

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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.