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Finding the Fourth Proportional to 85,227.63, 127,859.89 and 32,637.11

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Solution

The fourth proportional to 85,227.63, 127,859.89 and 32,637.11 is: 48,962.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,227.63 : 127,859.89 = 32,637.11 : x
  2. Step 2: Convert to fraction form
    85,227.63/127,859.89 = 32,637.11/x
  3. Step 3: Cross multiply
    85,227.63x = 127,859.89 × 32,637.11
  4. Step 4: Simplify right side
    85,227.63x = 4,172,977,695.76
  5. Step 5: Solve for x
    x = 4,172,977,695.76/85,227.63
  6. Step 6: Final answer
    x = 48,962.74

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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.