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Finding the Fourth Proportional to 36,578.76, 54,871.78 and 9,925.16

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Solution

The fourth proportional to 36,578.76, 54,871.78 and 9,925.16 is: 14,888.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,578.76 : 54,871.78 = 9,925.16 : x
  2. Step 2: Convert to fraction form
    36,578.76/54,871.78 = 9,925.16/x
  3. Step 3: Cross multiply
    36,578.76x = 54,871.78 × 9,925.16
  4. Step 4: Simplify right side
    36,578.76x = 544,611,195.98
  5. Step 5: Solve for x
    x = 544,611,195.98/36,578.76
  6. Step 6: Final answer
    x = 14,888.73

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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.