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Finding the Fourth Proportional to 61,356.18, 92,024.02 and 16,987.42

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Solution

The fourth proportional to 61,356.18, 92,024.02 and 16,987.42 is: 25,478.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,356.18 : 92,024.02 = 16,987.42 : x
  2. Step 2: Convert to fraction form
    61,356.18/92,024.02 = 16,987.42/x
  3. Step 3: Cross multiply
    61,356.18x = 92,024.02 × 16,987.42
  4. Step 4: Simplify right side
    61,356.18x = 1,563,250,861.87
  5. Step 5: Solve for x
    x = 1,563,250,861.87/61,356.18
  6. Step 6: Final answer
    x = 25,478.29

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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.