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Finding the Fourth Proportional to 19,472.28, 29,200.32 and 8,373.12

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Solution

The fourth proportional to 19,472.28, 29,200.32 and 8,373.12 is: 12,556.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,472.28 : 29,200.32 = 8,373.12 : x
  2. Step 2: Convert to fraction form
    19,472.28/29,200.32 = 8,373.12/x
  3. Step 3: Cross multiply
    19,472.28x = 29,200.32 × 8,373.12
  4. Step 4: Simplify right side
    19,472.28x = 244,497,783.40
  5. Step 5: Solve for x
    x = 244,497,783.40/19,472.28
  6. Step 6: Final answer
    x = 12,556.20

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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.