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Finding the Fourth Proportional to 29,079.53, 43,619.30 and 9,359.63

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Solution

The fourth proportional to 29,079.53, 43,619.30 and 9,359.63 is: 14,039.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,079.53 : 43,619.30 = 9,359.63 : x
  2. Step 2: Convert to fraction form
    29,079.53/43,619.30 = 9,359.63/x
  3. Step 3: Cross multiply
    29,079.53x = 43,619.30 × 9,359.63
  4. Step 4: Simplify right side
    29,079.53x = 408,260,462.06
  5. Step 5: Solve for x
    x = 408,260,462.06/29,079.53
  6. Step 6: Final answer
    x = 14,039.45

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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.