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Finding the Fourth Proportional to 52,752.77, 72,800.46 and 28,881.66

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Solution

The fourth proportional to 52,752.77, 72,800.46 and 28,881.66 is: 39,857.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,752.77 : 72,800.46 = 28,881.66 : x
  2. Step 2: Convert to fraction form
    52,752.77/72,800.46 = 28,881.66/x
  3. Step 3: Cross multiply
    52,752.77x = 72,800.46 × 28,881.66
  4. Step 4: Simplify right side
    52,752.77x = 2,102,597,989.16
  5. Step 5: Solve for x
    x = 2,102,597,989.16/52,752.77
  6. Step 6: Final answer
    x = 39,857.59

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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.