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Finding the Fourth Proportional to 29,037.80, 43,560.54 and 9,309.80

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Solution

The fourth proportional to 29,037.80, 43,560.54 and 9,309.80 is: 13,965.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,037.80 : 43,560.54 = 9,309.80 : x
  2. Step 2: Convert to fraction form
    29,037.80/43,560.54 = 9,309.80/x
  3. Step 3: Cross multiply
    29,037.80x = 43,560.54 × 9,309.80
  4. Step 4: Simplify right side
    29,037.80x = 405,539,915.29
  5. Step 5: Solve for x
    x = 405,539,915.29/29,037.80
  6. Step 6: Final answer
    x = 13,965.93

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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.