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Finding the Fourth Proportional to 84,754.13, 116,964.36 and 47,028.38

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Solution

The fourth proportional to 84,754.13, 116,964.36 and 47,028.38 is: 64,901.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,754.13 : 116,964.36 = 47,028.38 : x
  2. Step 2: Convert to fraction form
    84,754.13/116,964.36 = 47,028.38/x
  3. Step 3: Cross multiply
    84,754.13x = 116,964.36 × 47,028.38
  4. Step 4: Simplify right side
    84,754.13x = 5,500,643,783.72
  5. Step 5: Solve for x
    x = 5,500,643,783.72/84,754.13
  6. Step 6: Final answer
    x = 64,901.19

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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.