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Finding the Fourth Proportional to 83,989.94, 115,906.12 and 46,264.19

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Solution

The fourth proportional to 83,989.94, 115,906.12 and 46,264.19 is: 63,844.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,989.94 : 115,906.12 = 46,264.19 : x
  2. Step 2: Convert to fraction form
    83,989.94/115,906.12 = 46,264.19/x
  3. Step 3: Cross multiply
    83,989.94x = 115,906.12 × 46,264.19
  4. Step 4: Simplify right side
    83,989.94x = 5,362,302,757.84
  5. Step 5: Solve for x
    x = 5,362,302,757.84/83,989.94
  6. Step 6: Final answer
    x = 63,844.58

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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.