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Finding the Fourth Proportional to 73,636.86, 101,615.79 and 41,807.52

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Solution

The fourth proportional to 73,636.86, 101,615.79 and 41,807.52 is: 57,692.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,636.86 : 101,615.79 = 41,807.52 : x
  2. Step 2: Convert to fraction form
    73,636.86/101,615.79 = 41,807.52/x
  3. Step 3: Cross multiply
    73,636.86x = 101,615.79 × 41,807.52
  4. Step 4: Simplify right side
    73,636.86x = 4,248,304,172.74
  5. Step 5: Solve for x
    x = 4,248,304,172.74/73,636.86
  6. Step 6: Final answer
    x = 57,692.63

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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.