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Finding the Fourth Proportional to 58,388.71, 79,992.82 and 56,202.03

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Solution

The fourth proportional to 58,388.71, 79,992.82 and 56,202.03 is: 76,997.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,388.71 : 79,992.82 = 56,202.03 : x
  2. Step 2: Convert to fraction form
    58,388.71/79,992.82 = 56,202.03/x
  3. Step 3: Cross multiply
    58,388.71x = 79,992.82 × 56,202.03
  4. Step 4: Simplify right side
    58,388.71x = 4,495,758,869.42
  5. Step 5: Solve for x
    x = 4,495,758,869.42/58,388.71
  6. Step 6: Final answer
    x = 76,997.06

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.