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Finding the Fourth Proportional to 85,227.28, 127,859.38 and 32,636.77

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Solution

The fourth proportional to 85,227.28, 127,859.38 and 32,636.77 is: 48,962.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,227.28 : 127,859.38 = 32,636.77 : x
  2. Step 2: Convert to fraction form
    85,227.28/127,859.38 = 32,636.77/x
  3. Step 3: Cross multiply
    85,227.28x = 127,859.38 × 32,636.77
  4. Step 4: Simplify right side
    85,227.28x = 4,172,916,776.16
  5. Step 5: Solve for x
    x = 4,172,916,776.16/85,227.28
  6. Step 6: Final answer
    x = 48,962.22

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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.