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Finding the Fourth Proportional to 52,996.95, 79,495.46 and 19,712.70

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Solution

The fourth proportional to 52,996.95, 79,495.46 and 19,712.70 is: 29,569.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,996.95 : 79,495.46 = 19,712.70 : x
  2. Step 2: Convert to fraction form
    52,996.95/79,495.46 = 19,712.70/x
  3. Step 3: Cross multiply
    52,996.95x = 79,495.46 × 19,712.70
  4. Step 4: Simplify right side
    52,996.95x = 1,567,070,129.70
  5. Step 5: Solve for x
    x = 1,567,070,129.70/52,996.95
  6. Step 6: Final answer
    x = 29,569.06

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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.