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Finding the Fourth Proportional to 27,409.69, 37,831.22 and 17,331.67

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Solution

The fourth proportional to 27,409.69, 37,831.22 and 17,331.67 is: 23,921.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,409.69 : 37,831.22 = 17,331.67 : x
  2. Step 2: Convert to fraction form
    27,409.69/37,831.22 = 17,331.67/x
  3. Step 3: Cross multiply
    27,409.69x = 37,831.22 × 17,331.67
  4. Step 4: Simplify right side
    27,409.69x = 655,678,220.74
  5. Step 5: Solve for x
    x = 655,678,220.74/27,409.69
  6. Step 6: Final answer
    x = 23,921.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.