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Finding the Fourth Proportional to 17,701.24, 26,555.48 and 5,220.22

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Solution

The fourth proportional to 17,701.24, 26,555.48 and 5,220.22 is: 7,831.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,701.24 : 26,555.48 = 5,220.22 : x
  2. Step 2: Convert to fraction form
    17,701.24/26,555.48 = 5,220.22/x
  3. Step 3: Cross multiply
    17,701.24x = 26,555.48 × 5,220.22
  4. Step 4: Simplify right side
    17,701.24x = 138,625,447.81
  5. Step 5: Solve for x
    x = 138,625,447.81/17,701.24
  6. Step 6: Final answer
    x = 7,831.40

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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.