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Finding the Fourth Proportional to 60,908.10, 91,362.15 and 55,464.90

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Solution

The fourth proportional to 60,908.10, 91,362.15 and 55,464.90 is: 83,197.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,908.10 : 91,362.15 = 55,464.90 : x
  2. Step 2: Convert to fraction form
    60,908.10/91,362.15 = 55,464.90/x
  3. Step 3: Cross multiply
    60,908.10x = 91,362.15 × 55,464.90
  4. Step 4: Simplify right side
    60,908.10x = 5,067,392,513.54
  5. Step 5: Solve for x
    x = 5,067,392,513.54/60,908.10
  6. Step 6: Final answer
    x = 83,197.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.