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Finding the Fourth Proportional to 69,998.84, 105,004.20 and 25,614.90

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Solution

The fourth proportional to 69,998.84, 105,004.20 and 25,614.90 is: 38,424.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,998.84 : 105,004.20 = 25,614.90 : x
  2. Step 2: Convert to fraction form
    69,998.84/105,004.20 = 25,614.90/x
  3. Step 3: Cross multiply
    69,998.84x = 105,004.20 × 25,614.90
  4. Step 4: Simplify right side
    69,998.84x = 2,689,672,082.58
  5. Step 5: Solve for x
    x = 2,689,672,082.58/69,998.84
  6. Step 6: Final answer
    x = 38,424.52

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1.5x scale

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.