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Finding the Fourth Proportional to 61,644.50, 92,392.40 and 30,007.15

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Solution

The fourth proportional to 61,644.50, 92,392.40 and 30,007.15 is: 44,974.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,644.50 : 92,392.40 = 30,007.15 : x
  2. Step 2: Convert to fraction form
    61,644.50/92,392.40 = 30,007.15/x
  3. Step 3: Cross multiply
    61,644.50x = 92,392.40 × 30,007.15
  4. Step 4: Simplify right side
    61,644.50x = 2,772,432,605.66
  5. Step 5: Solve for x
    x = 2,772,432,605.66/61,644.50
  6. Step 6: Final answer
    x = 44,974.53

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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.