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Finding the Fourth Proportional to 84,017.25, 115,944.17 and 46,290.69

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Solution

The fourth proportional to 84,017.25, 115,944.17 and 46,290.69 is: 63,881.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,017.25 : 115,944.17 = 46,290.69 : x
  2. Step 2: Convert to fraction form
    84,017.25/115,944.17 = 46,290.69/x
  3. Step 3: Cross multiply
    84,017.25x = 115,944.17 × 46,290.69
  4. Step 4: Simplify right side
    84,017.25x = 5,367,135,399.32
  5. Step 5: Solve for x
    x = 5,367,135,399.32/84,017.25
  6. Step 6: Final answer
    x = 63,881.35

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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.