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Finding the Fourth Proportional to 61,295.49, 91,877.90 and 34,943.49

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Solution

The fourth proportional to 61,295.49, 91,877.90 and 34,943.49 is: 52,377.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,295.49 : 91,877.90 = 34,943.49 : x
  2. Step 2: Convert to fraction form
    61,295.49/91,877.90 = 34,943.49/x
  3. Step 3: Cross multiply
    61,295.49x = 91,877.90 × 34,943.49
  4. Step 4: Simplify right side
    61,295.49x = 3,210,534,305.15
  5. Step 5: Solve for x
    x = 3,210,534,305.15/61,295.49
  6. Step 6: Final answer
    x = 52,377.99

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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.