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Finding the Fourth Proportional to 29,049, 43,490.88 and 19,158.12

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Solution

The fourth proportional to 29,049, 43,490.88 and 19,158.12 is: 28,682.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,049 : 43,490.88 = 19,158.12 : x
  2. Step 2: Convert to fraction form
    29,049/43,490.88 = 19,158.12/x
  3. Step 3: Cross multiply
    29,049x = 43,490.88 × 19,158.12
  4. Step 4: Simplify right side
    29,049x = 833,203,497.95
  5. Step 5: Solve for x
    x = 833,203,497.95/29,049
  6. Step 6: Final answer
    x = 28,682.69

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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.