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Finding the Fourth Proportional to 39,663.84, 54,737.72 and 22,896.84

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Solution

The fourth proportional to 39,663.84, 54,737.72 and 22,896.84 is: 31,598.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,663.84 : 54,737.72 = 22,896.84 : x
  2. Step 2: Convert to fraction form
    39,663.84/54,737.72 = 22,896.84/x
  3. Step 3: Cross multiply
    39,663.84x = 54,737.72 × 22,896.84
  4. Step 4: Simplify right side
    39,663.84x = 1,253,321,122.24
  5. Step 5: Solve for x
    x = 1,253,321,122.24/39,663.84
  6. Step 6: Final answer
    x = 31,598.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.