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Finding the Fourth Proportional to 59,720.58, 89,584.02 and 15,347.63

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Solution

The fourth proportional to 59,720.58, 89,584.02 and 15,347.63 is: 23,022.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,720.58 : 89,584.02 = 15,347.63 : x
  2. Step 2: Convert to fraction form
    59,720.58/89,584.02 = 15,347.63/x
  3. Step 3: Cross multiply
    59,720.58x = 89,584.02 × 15,347.63
  4. Step 4: Simplify right side
    59,720.58x = 1,374,902,616.83
  5. Step 5: Solve for x
    x = 1,374,902,616.83/59,720.58
  6. Step 6: Final answer
    x = 23,022.26

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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.