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Finding the Fourth Proportional to 18,262.36, 27,393.54 and 4,411.36

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Solution

The fourth proportional to 18,262.36, 27,393.54 and 4,411.36 is: 6,617.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,262.36 : 27,393.54 = 4,411.36 : x
  2. Step 2: Convert to fraction form
    18,262.36/27,393.54 = 4,411.36/x
  3. Step 3: Cross multiply
    18,262.36x = 27,393.54 × 4,411.36
  4. Step 4: Simplify right side
    18,262.36x = 120,842,766.61
  5. Step 5: Solve for x
    x = 120,842,766.61/18,262.36
  6. Step 6: Final answer
    x = 6,617.04

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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.