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Finding the Fourth Proportional to 39,759.58, 59,602.29 and 13,446.01

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Solution

The fourth proportional to 39,759.58, 59,602.29 and 13,446.01 is: 20,156.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,759.58 : 59,602.29 = 13,446.01 : x
  2. Step 2: Convert to fraction form
    39,759.58/59,602.29 = 13,446.01/x
  3. Step 3: Cross multiply
    39,759.58x = 59,602.29 × 13,446.01
  4. Step 4: Simplify right side
    39,759.58x = 801,412,987.36
  5. Step 5: Solve for x
    x = 801,412,987.36/39,759.58
  6. Step 6: Final answer
    x = 20,156.48

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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.