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Finding the Fourth Proportional to 28,937.70, 43,297.20 and 19,096.20

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Solution

The fourth proportional to 28,937.70, 43,297.20 and 19,096.20 is: 28,572.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,937.70 : 43,297.20 = 19,096.20 : x
  2. Step 2: Convert to fraction form
    28,937.70/43,297.20 = 19,096.20/x
  3. Step 3: Cross multiply
    28,937.70x = 43,297.20 × 19,096.20
  4. Step 4: Simplify right side
    28,937.70x = 826,811,990.64
  5. Step 5: Solve for x
    x = 826,811,990.64/28,937.70
  6. Step 6: Final answer
    x = 28,572.14

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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.