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Finding the Fourth Proportional to 18,477.52, 27,716.26 and 4,626.52

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Solution

The fourth proportional to 18,477.52, 27,716.26 and 4,626.52 is: 6,939.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,477.52 : 27,716.26 = 4,626.52 : x
  2. Step 2: Convert to fraction form
    18,477.52/27,716.26 = 4,626.52/x
  3. Step 3: Cross multiply
    18,477.52x = 27,716.26 × 4,626.52
  4. Step 4: Simplify right side
    18,477.52x = 128,229,831.22
  5. Step 5: Solve for x
    x = 128,229,831.22/18,477.52
  6. Step 6: Final answer
    x = 6,939.77

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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.