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Finding the Fourth Proportional to 84,509.61, 126,754.82 and 22,184.97

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Solution

The fourth proportional to 84,509.61, 126,754.82 and 22,184.97 is: 33,274.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,509.61 : 126,754.82 = 22,184.97 : x
  2. Step 2: Convert to fraction form
    84,509.61/126,754.82 = 22,184.97/x
  3. Step 3: Cross multiply
    84,509.61x = 126,754.82 × 22,184.97
  4. Step 4: Simplify right side
    84,509.61x = 2,812,051,768.13
  5. Step 5: Solve for x
    x = 2,812,051,768.13/84,509.61
  6. Step 6: Final answer
    x = 33,274.93

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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.