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Finding the Fourth Proportional to 47,937.91, 66,273.89 and 35,980.49

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Solution

The fourth proportional to 47,937.91, 66,273.89 and 35,980.49 is: 49,742.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,937.91 : 66,273.89 = 35,980.49 : x
  2. Step 2: Convert to fraction form
    47,937.91/66,273.89 = 35,980.49/x
  3. Step 3: Cross multiply
    47,937.91x = 66,273.89 × 35,980.49
  4. Step 4: Simplify right side
    47,937.91x = 2,384,567,036.41
  5. Step 5: Solve for x
    x = 2,384,567,036.41/47,937.91
  6. Step 6: Final answer
    x = 49,742.82

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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.