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Finding the Fourth Proportional to 84,963.86, 127,461.12 and 35,016.20

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Solution

The fourth proportional to 84,963.86, 127,461.12 and 35,016.20 is: 52,530.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,963.86 : 127,461.12 = 35,016.20 : x
  2. Step 2: Convert to fraction form
    84,963.86/127,461.12 = 35,016.20/x
  3. Step 3: Cross multiply
    84,963.86x = 127,461.12 × 35,016.20
  4. Step 4: Simplify right side
    84,963.86x = 4,463,204,070.14
  5. Step 5: Solve for x
    x = 4,463,204,070.14/84,963.86
  6. Step 6: Final answer
    x = 52,530.62

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1.5x scale

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.