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Finding the Fourth Proportional to 60,919.08, 91,394.34 and 18,798.24

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Solution

The fourth proportional to 60,919.08, 91,394.34 and 18,798.24 is: 28,202.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,919.08 : 91,394.34 = 18,798.24 : x
  2. Step 2: Convert to fraction form
    60,919.08/91,394.34 = 18,798.24/x
  3. Step 3: Cross multiply
    60,919.08x = 91,394.34 × 18,798.24
  4. Step 4: Simplify right side
    60,919.08x = 1,718,052,737.96
  5. Step 5: Solve for x
    x = 1,718,052,737.96/60,919.08
  6. Step 6: Final answer
    x = 28,202.21

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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.