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Finding the Fourth Proportional to 29,343.53, 43,946.84 and 21,426.40

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Solution

The fourth proportional to 29,343.53, 43,946.84 and 21,426.40 is: 32,089.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,343.53 : 43,946.84 = 21,426.40 : x
  2. Step 2: Convert to fraction form
    29,343.53/43,946.84 = 21,426.40/x
  3. Step 3: Cross multiply
    29,343.53x = 43,946.84 × 21,426.40
  4. Step 4: Simplify right side
    29,343.53x = 941,622,572.58
  5. Step 5: Solve for x
    x = 941,622,572.58/29,343.53
  6. Step 6: Final answer
    x = 32,089.61

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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.