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Finding the Fourth Proportional to 83,536.63, 125,275.78 and 33,603.78

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Solution

The fourth proportional to 83,536.63, 125,275.78 and 33,603.78 is: 50,393.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,536.63 : 125,275.78 = 33,603.78 : x
  2. Step 2: Convert to fraction form
    83,536.63/125,275.78 = 33,603.78/x
  3. Step 3: Cross multiply
    83,536.63x = 125,275.78 × 33,603.78
  4. Step 4: Simplify right side
    83,536.63x = 4,209,739,557.56
  5. Step 5: Solve for x
    x = 4,209,739,557.56/83,536.63
  6. Step 6: Final answer
    x = 50,393.93

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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.