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Finding the Fourth Proportional to 84,983.61, 127,490.81 and 35,035.91

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Solution

The fourth proportional to 84,983.61, 127,490.81 and 35,035.91 is: 52,560.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,983.61 : 127,490.81 = 35,035.91 : x
  2. Step 2: Convert to fraction form
    84,983.61/127,490.81 = 35,035.91/x
  3. Step 3: Cross multiply
    84,983.61x = 127,490.81 × 35,035.91
  4. Step 4: Simplify right side
    84,983.61x = 4,466,756,407.52
  5. Step 5: Solve for x
    x = 4,466,756,407.52/84,983.61
  6. Step 6: Final answer
    x = 52,560.21

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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.