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Finding the Fourth Proportional to 39,592.88, 59,381.90 and 19,866.14

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Solution

The fourth proportional to 39,592.88, 59,381.90 and 19,866.14 is: 29,795.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,592.88 : 59,381.90 = 19,866.14 : x
  2. Step 2: Convert to fraction form
    39,592.88/59,381.90 = 19,866.14/x
  3. Step 3: Cross multiply
    39,592.88x = 59,381.90 × 19,866.14
  4. Step 4: Simplify right side
    39,592.88x = 1,179,689,039.54
  5. Step 5: Solve for x
    x = 1,179,689,039.54/39,592.88
  6. Step 6: Final answer
    x = 29,795.48

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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.