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Finding the Fourth Proportional to 17,831.91, 26,751.94 and 9,507.54

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Solution

The fourth proportional to 17,831.91, 26,751.94 and 9,507.54 is: 14,263.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,831.91 : 26,751.94 = 9,507.54 : x
  2. Step 2: Convert to fraction form
    17,831.91/26,751.94 = 9,507.54/x
  3. Step 3: Cross multiply
    17,831.91x = 26,751.94 × 9,507.54
  4. Step 4: Simplify right side
    17,831.91x = 254,345,216.18
  5. Step 5: Solve for x
    x = 254,345,216.18/17,831.91
  6. Step 6: Final answer
    x = 14,263.48

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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.