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Finding the Fourth Proportional to 84,791.81, 117,014.07 and 47,066.06

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Solution

The fourth proportional to 84,791.81, 117,014.07 and 47,066.06 is: 64,951.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,791.81 : 117,014.07 = 47,066.06 : x
  2. Step 2: Convert to fraction form
    84,791.81/117,014.07 = 47,066.06/x
  3. Step 3: Cross multiply
    84,791.81x = 117,014.07 × 47,066.06
  4. Step 4: Simplify right side
    84,791.81x = 5,507,391,443.75
  5. Step 5: Solve for x
    x = 5,507,391,443.75/84,791.81
  6. Step 6: Final answer
    x = 64,951.92

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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.