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Finding the Fourth Proportional to 40,031.12, 60,051 and 16,644.56

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Solution

The fourth proportional to 40,031.12, 60,051 and 16,644.56 is: 24,968.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,031.12 : 60,051 = 16,644.56 : x
  2. Step 2: Convert to fraction form
    40,031.12/60,051 = 16,644.56/x
  3. Step 3: Cross multiply
    40,031.12x = 60,051 × 16,644.56
  4. Step 4: Simplify right side
    40,031.12x = 999,522,472.56
  5. Step 5: Solve for x
    x = 999,522,472.56/40,031.12
  6. Step 6: Final answer
    x = 24,968.64

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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.