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Finding the Fourth Proportional to 41,435.28, 61,857.54 and 39,977.28

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Solution

The fourth proportional to 41,435.28, 61,857.54 and 39,977.28 is: 59,680.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,435.28 : 61,857.54 = 39,977.28 : x
  2. Step 2: Convert to fraction form
    41,435.28/61,857.54 = 39,977.28/x
  3. Step 3: Cross multiply
    41,435.28x = 61,857.54 × 39,977.28
  4. Step 4: Simplify right side
    41,435.28x = 2,472,896,196.69
  5. Step 5: Solve for x
    x = 2,472,896,196.69/41,435.28
  6. Step 6: Final answer
    x = 59,680.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.