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Finding the Fourth Proportional to 29,017.91, 43,526.88 and 19,154.88

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Solution

The fourth proportional to 29,017.91, 43,526.88 and 19,154.88 is: 28,732.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,017.91 : 43,526.88 = 19,154.88 : x
  2. Step 2: Convert to fraction form
    29,017.91/43,526.88 = 19,154.88/x
  3. Step 3: Cross multiply
    29,017.91x = 43,526.88 × 19,154.88
  4. Step 4: Simplify right side
    29,017.91x = 833,752,163.17
  5. Step 5: Solve for x
    x = 833,752,163.17/29,017.91
  6. Step 6: Final answer
    x = 28,732.33

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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.