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Finding the Fourth Proportional to 29,037.30, 40,069.04 and 16,288.70

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Solution

The fourth proportional to 29,037.30, 40,069.04 and 16,288.70 is: 22,477.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,037.30 : 40,069.04 = 16,288.70 : x
  2. Step 2: Convert to fraction form
    29,037.30/40,069.04 = 16,288.70/x
  3. Step 3: Cross multiply
    29,037.30x = 40,069.04 × 16,288.70
  4. Step 4: Simplify right side
    29,037.30x = 652,672,571.85
  5. Step 5: Solve for x
    x = 652,672,571.85/29,037.30
  6. Step 6: Final answer
    x = 22,477.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.