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Finding the Fourth Proportional to 62,360.72, 93,541.89 and 20,807.72

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Solution

The fourth proportional to 62,360.72, 93,541.89 and 20,807.72 is: 31,211.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,360.72 : 93,541.89 = 20,807.72 : x
  2. Step 2: Convert to fraction form
    62,360.72/93,541.89 = 20,807.72/x
  3. Step 3: Cross multiply
    62,360.72x = 93,541.89 × 20,807.72
  4. Step 4: Simplify right side
    62,360.72x = 1,946,393,299.45
  5. Step 5: Solve for x
    x = 1,946,393,299.45/62,360.72
  6. Step 6: Final answer
    x = 31,211.85

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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.