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Finding the Fourth Proportional to 61,460.84, 84,723.81 and 50,112.92

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Solution

The fourth proportional to 61,460.84, 84,723.81 and 50,112.92 is: 69,080.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,460.84 : 84,723.81 = 50,112.92 : x
  2. Step 2: Convert to fraction form
    61,460.84/84,723.81 = 50,112.92/x
  3. Step 3: Cross multiply
    61,460.84x = 84,723.81 × 50,112.92
  4. Step 4: Simplify right side
    61,460.84x = 4,245,757,512.63
  5. Step 5: Solve for x
    x = 4,245,757,512.63/61,460.84
  6. Step 6: Final answer
    x = 69,080.69

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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.