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Finding the Fourth Proportional to 61,014.29, 91,512.02 and 16,644.65

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Solution

The fourth proportional to 61,014.29, 91,512.02 and 16,644.65 is: 24,964.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,014.29 : 91,512.02 = 16,644.65 : x
  2. Step 2: Convert to fraction form
    61,014.29/91,512.02 = 16,644.65/x
  3. Step 3: Cross multiply
    61,014.29x = 91,512.02 × 16,644.65
  4. Step 4: Simplify right side
    61,014.29x = 1,523,185,127.74
  5. Step 5: Solve for x
    x = 1,523,185,127.74/61,014.29
  6. Step 6: Final answer
    x = 24,964.40

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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.