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Finding the Fourth Proportional to 29,029.80, 43,552.80 and 14,239.20

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Solution

The fourth proportional to 29,029.80, 43,552.80 and 14,239.20 is: 21,362.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,029.80 : 43,552.80 = 14,239.20 : x
  2. Step 2: Convert to fraction form
    29,029.80/43,552.80 = 14,239.20/x
  3. Step 3: Cross multiply
    29,029.80x = 43,552.80 × 14,239.20
  4. Step 4: Simplify right side
    29,029.80x = 620,157,029.76
  5. Step 5: Solve for x
    x = 620,157,029.76/29,029.80
  6. Step 6: Final answer
    x = 21,362.77

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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.