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Finding the Fourth Proportional to 29,972.68, 44,959.02 and 8,912.64

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Solution

The fourth proportional to 29,972.68, 44,959.02 and 8,912.64 is: 13,368.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,972.68 : 44,959.02 = 8,912.64 : x
  2. Step 2: Convert to fraction form
    29,972.68/44,959.02 = 8,912.64/x
  3. Step 3: Cross multiply
    29,972.68x = 44,959.02 × 8,912.64
  4. Step 4: Simplify right side
    29,972.68x = 400,703,560.01
  5. Step 5: Solve for x
    x = 400,703,560.01/29,972.68
  6. Step 6: Final answer
    x = 13,368.96

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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.