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Finding the Fourth Proportional to 38,296.77, 52,849.04 and 21,529.77

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Solution

The fourth proportional to 38,296.77, 52,849.04 and 21,529.77 is: 29,710.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,296.77 : 52,849.04 = 21,529.77 : x
  2. Step 2: Convert to fraction form
    38,296.77/52,849.04 = 21,529.77/x
  3. Step 3: Cross multiply
    38,296.77x = 52,849.04 × 21,529.77
  4. Step 4: Simplify right side
    38,296.77x = 1,137,827,568.27
  5. Step 5: Solve for x
    x = 1,137,827,568.27/38,296.77
  6. Step 6: Final answer
    x = 29,710.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.