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Finding the Fourth Proportional to 19,502.96, 29,204.58 and 10,728.24

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Solution

The fourth proportional to 19,502.96, 29,204.58 and 10,728.24 is: 16,064.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,502.96 : 29,204.58 = 10,728.24 : x
  2. Step 2: Convert to fraction form
    19,502.96/29,204.58 = 10,728.24/x
  3. Step 3: Cross multiply
    19,502.96x = 29,204.58 × 10,728.24
  4. Step 4: Simplify right side
    19,502.96x = 313,313,743.34
  5. Step 5: Solve for x
    x = 313,313,743.34/19,502.96
  6. Step 6: Final answer
    x = 16,064.93

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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.