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Finding the Fourth Proportional to 83,993.94, 115,911.63 and 46,268.19

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Solution

The fourth proportional to 83,993.94, 115,911.63 and 46,268.19 is: 63,850.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,993.94 : 115,911.63 = 46,268.19 : x
  2. Step 2: Convert to fraction form
    83,993.94/115,911.63 = 46,268.19/x
  3. Step 3: Cross multiply
    83,993.94x = 115,911.63 × 46,268.19
  4. Step 4: Simplify right side
    83,993.94x = 5,363,021,320.05
  5. Step 5: Solve for x
    x = 5,363,021,320.05/83,993.94
  6. Step 6: Final answer
    x = 63,850.10

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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.