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Finding the Fourth Proportional to 84,754.16, 116,960.75 and 47,028.41

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Solution

The fourth proportional to 84,754.16, 116,960.75 and 47,028.41 is: 64,899.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,754.16 : 116,960.75 = 47,028.41 : x
  2. Step 2: Convert to fraction form
    84,754.16/116,960.75 = 47,028.41/x
  3. Step 3: Cross multiply
    84,754.16x = 116,960.75 × 47,028.41
  4. Step 4: Simplify right side
    84,754.16x = 5,500,478,104.91
  5. Step 5: Solve for x
    x = 5,500,478,104.91/84,754.16
  6. Step 6: Final answer
    x = 64,899.21

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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.