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Finding the Fourth Proportional to 43,043, 64,566.94 and 15,341

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Solution

The fourth proportional to 43,043, 64,566.94 and 15,341 is: 23,012.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,043 : 64,566.94 = 15,341 : x
  2. Step 2: Convert to fraction form
    43,043/64,566.94 = 15,341/x
  3. Step 3: Cross multiply
    43,043x = 64,566.94 × 15,341
  4. Step 4: Simplify right side
    43,043x = 990,521,426.54
  5. Step 5: Solve for x
    x = 990,521,426.54/43,043
  6. Step 6: Final answer
    x = 23,012.37

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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.