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Finding the Fourth Proportional to 29,196.80, 43,795.20 and 10,726.40

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Solution

The fourth proportional to 29,196.80, 43,795.20 and 10,726.40 is: 16,089.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,196.80 : 43,795.20 = 10,726.40 : x
  2. Step 2: Convert to fraction form
    29,196.80/43,795.20 = 10,726.40/x
  3. Step 3: Cross multiply
    29,196.80x = 43,795.20 × 10,726.40
  4. Step 4: Simplify right side
    29,196.80x = 469,764,833.28
  5. Step 5: Solve for x
    x = 469,764,833.28/29,196.80
  6. Step 6: Final answer
    x = 16,089.60

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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.