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Finding the Fourth Proportional to 19,392.29, 29,088.44 and 5,541.29

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Solution

The fourth proportional to 19,392.29, 29,088.44 and 5,541.29 is: 8,311.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,392.29 : 29,088.44 = 5,541.29 : x
  2. Step 2: Convert to fraction form
    19,392.29/29,088.44 = 5,541.29/x
  3. Step 3: Cross multiply
    19,392.29x = 29,088.44 × 5,541.29
  4. Step 4: Simplify right side
    19,392.29x = 161,187,481.69
  5. Step 5: Solve for x
    x = 161,187,481.69/19,392.29
  6. Step 6: Final answer
    x = 8,311.94

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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.