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Finding the Fourth Proportional to 52,803.66, 79,008.63 and 52,213.14

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Solution

The fourth proportional to 52,803.66, 79,008.63 and 52,213.14 is: 78,125.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,803.66 : 79,008.63 = 52,213.14 : x
  2. Step 2: Convert to fraction form
    52,803.66/79,008.63 = 52,213.14/x
  3. Step 3: Cross multiply
    52,803.66x = 79,008.63 × 52,213.14
  4. Step 4: Simplify right side
    52,803.66x = 4,125,288,659.40
  5. Step 5: Solve for x
    x = 4,125,288,659.40/52,803.66
  6. Step 6: Final answer
    x = 78,125.05

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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.