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Finding the Fourth Proportional to 29,205.20, 43,807.80 and 10,494.20

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Solution

The fourth proportional to 29,205.20, 43,807.80 and 10,494.20 is: 15,741.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,205.20 : 43,807.80 = 10,494.20 : x
  2. Step 2: Convert to fraction form
    29,205.20/43,807.80 = 10,494.20/x
  3. Step 3: Cross multiply
    29,205.20x = 43,807.80 × 10,494.20
  4. Step 4: Simplify right side
    29,205.20x = 459,727,814.76
  5. Step 5: Solve for x
    x = 459,727,814.76/29,205.20
  6. Step 6: Final answer
    x = 15,741.30

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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.