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Finding the Fourth Proportional to 84,794.97, 117,011.20 and 47,066.25

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Solution

The fourth proportional to 84,794.97, 117,011.20 and 47,066.25 is: 64,948.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,794.97 : 117,011.20 = 47,066.25 : x
  2. Step 2: Convert to fraction form
    84,794.97/117,011.20 = 47,066.25/x
  3. Step 3: Cross multiply
    84,794.97x = 117,011.20 × 47,066.25
  4. Step 4: Simplify right side
    84,794.97x = 5,507,278,392
  5. Step 5: Solve for x
    x = 5,507,278,392/84,794.97
  6. Step 6: Final answer
    x = 64,948.17

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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.