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Finding the Fourth Proportional to 29,019.91, 43,529.88 and 19,156.88

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Solution

The fourth proportional to 29,019.91, 43,529.88 and 19,156.88 is: 28,735.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,019.91 : 43,529.88 = 19,156.88 : x
  2. Step 2: Convert to fraction form
    29,019.91/43,529.88 = 19,156.88/x
  3. Step 3: Cross multiply
    29,019.91x = 43,529.88 × 19,156.88
  4. Step 4: Simplify right side
    29,019.91x = 833,896,687.57
  5. Step 5: Solve for x
    x = 833,896,687.57/29,019.91
  6. Step 6: Final answer
    x = 28,735.33

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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.