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Finding the Fourth Proportional to 61,967.10, 92,950.96 and 15,219.98

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Solution

The fourth proportional to 61,967.10, 92,950.96 and 15,219.98 is: 22,830.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,967.10 : 92,950.96 = 15,219.98 : x
  2. Step 2: Convert to fraction form
    61,967.10/92,950.96 = 15,219.98/x
  3. Step 3: Cross multiply
    61,967.10x = 92,950.96 × 15,219.98
  4. Step 4: Simplify right side
    61,967.10x = 1,414,711,752.18
  5. Step 5: Solve for x
    x = 1,414,711,752.18/61,967.10
  6. Step 6: Final answer
    x = 22,830.05

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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.