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Finding the Fourth Proportional to 52,868.48, 72,958.52 and 28,995.66

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Solution

The fourth proportional to 52,868.48, 72,958.52 and 28,995.66 is: 40,014.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,868.48 : 72,958.52 = 28,995.66 : x
  2. Step 2: Convert to fraction form
    52,868.48/72,958.52 = 28,995.66/x
  3. Step 3: Cross multiply
    52,868.48x = 72,958.52 × 28,995.66
  4. Step 4: Simplify right side
    52,868.48x = 2,115,480,440.02
  5. Step 5: Solve for x
    x = 2,115,480,440.02/52,868.48
  6. Step 6: Final answer
    x = 40,014.02

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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.