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Finding the Fourth Proportional to 63,791.84, 88,031.44 and 36,939.12

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Solution

The fourth proportional to 63,791.84, 88,031.44 and 36,939.12 is: 50,975.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,791.84 : 88,031.44 = 36,939.12 : x
  2. Step 2: Convert to fraction form
    63,791.84/88,031.44 = 36,939.12/x
  3. Step 3: Cross multiply
    63,791.84x = 88,031.44 × 36,939.12
  4. Step 4: Simplify right side
    63,791.84x = 3,251,803,925.93
  5. Step 5: Solve for x
    x = 3,251,803,925.93/63,791.84
  6. Step 6: Final answer
    x = 50,975.23

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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.