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Finding the Fourth Proportional to 18,313.66, 27,470.49 and 17,378.73

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Solution

The fourth proportional to 18,313.66, 27,470.49 and 17,378.73 is: 26,068.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,313.66 : 27,470.49 = 17,378.73 : x
  2. Step 2: Convert to fraction form
    18,313.66/27,470.49 = 17,378.73/x
  3. Step 3: Cross multiply
    18,313.66x = 27,470.49 × 17,378.73
  4. Step 4: Simplify right side
    18,313.66x = 477,402,228.68
  5. Step 5: Solve for x
    x = 477,402,228.68/18,313.66
  6. Step 6: Final answer
    x = 26,068.10

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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.