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Finding the Fourth Proportional to 47,805.36, 65,960.52 and 27,661.74

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Solution

The fourth proportional to 47,805.36, 65,960.52 and 27,661.74 is: 38,166.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,805.36 : 65,960.52 = 27,661.74 : x
  2. Step 2: Convert to fraction form
    47,805.36/65,960.52 = 27,661.74/x
  3. Step 3: Cross multiply
    47,805.36x = 65,960.52 × 27,661.74
  4. Step 4: Simplify right side
    47,805.36x = 1,824,582,754.50
  5. Step 5: Solve for x
    x = 1,824,582,754.50/47,805.36
  6. Step 6: Final answer
    x = 38,166.91

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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.