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Finding the Fourth Proportional to 62,247.70, 93,359.40 and 20,694.70

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Solution

The fourth proportional to 62,247.70, 93,359.40 and 20,694.70 is: 31,038.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,247.70 : 93,359.40 = 20,694.70 : x
  2. Step 2: Convert to fraction form
    62,247.70/93,359.40 = 20,694.70/x
  3. Step 3: Cross multiply
    62,247.70x = 93,359.40 × 20,694.70
  4. Step 4: Simplify right side
    62,247.70x = 1,932,044,775.18
  5. Step 5: Solve for x
    x = 1,932,044,775.18/62,247.70
  6. Step 6: Final answer
    x = 31,038.01

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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.