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Finding the Fourth Proportional to 68,483.71, 94,508.61 and 38,270.98

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Solution

The fourth proportional to 68,483.71, 94,508.61 and 38,270.98 is: 52,814.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,483.71 : 94,508.61 = 38,270.98 : x
  2. Step 2: Convert to fraction form
    68,483.71/94,508.61 = 38,270.98/x
  3. Step 3: Cross multiply
    68,483.71x = 94,508.61 × 38,270.98
  4. Step 4: Simplify right side
    68,483.71x = 3,616,937,123.14
  5. Step 5: Solve for x
    x = 3,616,937,123.14/68,483.71
  6. Step 6: Final answer
    x = 52,814.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.