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Finding the Fourth Proportional to 43,039, 64,560.93 and 15,337

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Solution

The fourth proportional to 43,039, 64,560.93 and 15,337 is: 23,006.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,039 : 64,560.93 = 15,337 : x
  2. Step 2: Convert to fraction form
    43,039/64,560.93 = 15,337/x
  3. Step 3: Cross multiply
    43,039x = 64,560.93 × 15,337
  4. Step 4: Simplify right side
    43,039x = 990,170,983.41
  5. Step 5: Solve for x
    x = 990,170,983.41/43,039
  6. Step 6: Final answer
    x = 23,006.37

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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.