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Finding the Fourth Proportional to 40,644.52, 60,969.48 and 15,684.88

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Solution

The fourth proportional to 40,644.52, 60,969.48 and 15,684.88 is: 23,528.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,644.52 : 60,969.48 = 15,684.88 : x
  2. Step 2: Convert to fraction form
    40,644.52/60,969.48 = 15,684.88/x
  3. Step 3: Cross multiply
    40,644.52x = 60,969.48 × 15,684.88
  4. Step 4: Simplify right side
    40,644.52x = 956,298,977.46
  5. Step 5: Solve for x
    x = 956,298,977.46/40,644.52
  6. Step 6: Final answer
    x = 23,528.36

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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.