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Finding the Fourth Proportional to 45,951.12, 68,895.63 and 15,957.63

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Solution

The fourth proportional to 45,951.12, 68,895.63 and 15,957.63 is: 23,925.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,951.12 : 68,895.63 = 15,957.63 : x
  2. Step 2: Convert to fraction form
    45,951.12/68,895.63 = 15,957.63/x
  3. Step 3: Cross multiply
    45,951.12x = 68,895.63 × 15,957.63
  4. Step 4: Simplify right side
    45,951.12x = 1,099,410,972.16
  5. Step 5: Solve for x
    x = 1,099,410,972.16/45,951.12
  6. Step 6: Final answer
    x = 23,925.66

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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.