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Finding the Fourth Proportional to 63,920.74, 88,213.64 and 35,626.63

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Solution

The fourth proportional to 63,920.74, 88,213.64 and 35,626.63 is: 49,166.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,920.74 : 88,213.64 = 35,626.63 : x
  2. Step 2: Convert to fraction form
    63,920.74/88,213.64 = 35,626.63/x
  3. Step 3: Cross multiply
    63,920.74x = 88,213.64 × 35,626.63
  4. Step 4: Simplify right side
    63,920.74x = 3,142,754,713.23
  5. Step 5: Solve for x
    x = 3,142,754,713.23/63,920.74
  6. Step 6: Final answer
    x = 49,166.43

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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.