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Finding the Fourth Proportional to 70,341.68, 105,512.61 and 17,755.22

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Solution

The fourth proportional to 70,341.68, 105,512.61 and 17,755.22 is: 26,632.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,341.68 : 105,512.61 = 17,755.22 : x
  2. Step 2: Convert to fraction form
    70,341.68/105,512.61 = 17,755.22/x
  3. Step 3: Cross multiply
    70,341.68x = 105,512.61 × 17,755.22
  4. Step 4: Simplify right side
    70,341.68x = 1,873,399,603.32
  5. Step 5: Solve for x
    x = 1,873,399,603.32/70,341.68
  6. Step 6: Final answer
    x = 26,632.85

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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.