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Finding the Fourth Proportional to 84,670.92, 127,011.24 and 25,500.42

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Solution

The fourth proportional to 84,670.92, 127,011.24 and 25,500.42 is: 38,252.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,670.92 : 127,011.24 = 25,500.42 : x
  2. Step 2: Convert to fraction form
    84,670.92/127,011.24 = 25,500.42/x
  3. Step 3: Cross multiply
    84,670.92x = 127,011.24 × 25,500.42
  4. Step 4: Simplify right side
    84,670.92x = 3,238,839,964.72
  5. Step 5: Solve for x
    x = 3,238,839,964.72/84,670.92
  6. Step 6: Final answer
    x = 38,252.09

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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.