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Finding the Fourth Proportional to 17,806.51, 26,706.40 and 8,316.24

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Solution

The fourth proportional to 17,806.51, 26,706.40 and 8,316.24 is: 12,472.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,806.51 : 26,706.40 = 8,316.24 : x
  2. Step 2: Convert to fraction form
    17,806.51/26,706.40 = 8,316.24/x
  3. Step 3: Cross multiply
    17,806.51x = 26,706.40 × 8,316.24
  4. Step 4: Simplify right side
    17,806.51x = 222,096,831.94
  5. Step 5: Solve for x
    x = 222,096,831.94/17,806.51
  6. Step 6: Final answer
    x = 12,472.79

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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.