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Finding the Fourth Proportional to 69,461.76, 95,857.11 and 37,631.46

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Solution

The fourth proportional to 69,461.76, 95,857.11 and 37,631.46 is: 51,931.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,461.76 : 95,857.11 = 37,631.46 : x
  2. Step 2: Convert to fraction form
    69,461.76/95,857.11 = 37,631.46/x
  3. Step 3: Cross multiply
    69,461.76x = 95,857.11 × 37,631.46
  4. Step 4: Simplify right side
    69,461.76x = 3,607,243,000.68
  5. Step 5: Solve for x
    x = 3,607,243,000.68/69,461.76
  6. Step 6: Final answer
    x = 51,931.35

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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.