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Finding the Fourth Proportional to 51,871.52, 77,790.96 and 16,803.04

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Solution

The fourth proportional to 51,871.52, 77,790.96 and 16,803.04 is: 25,199.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,871.52 : 77,790.96 = 16,803.04 : x
  2. Step 2: Convert to fraction form
    51,871.52/77,790.96 = 16,803.04/x
  3. Step 3: Cross multiply
    51,871.52x = 77,790.96 × 16,803.04
  4. Step 4: Simplify right side
    51,871.52x = 1,307,124,612.52
  5. Step 5: Solve for x
    x = 1,307,124,612.52/51,871.52
  6. Step 6: Final answer
    x = 25,199.27

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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.