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Finding the Fourth Proportional to 73,665.39, 101,631.58 and 48,186.28

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Solution

The fourth proportional to 73,665.39, 101,631.58 and 48,186.28 is: 66,479.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,665.39 : 101,631.58 = 48,186.28 : x
  2. Step 2: Convert to fraction form
    73,665.39/101,631.58 = 48,186.28/x
  3. Step 3: Cross multiply
    73,665.39x = 101,631.58 × 48,186.28
  4. Step 4: Simplify right side
    73,665.39x = 4,897,247,529.79
  5. Step 5: Solve for x
    x = 4,897,247,529.79/73,665.39
  6. Step 6: Final answer
    x = 66,479.63

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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.