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Finding the Fourth Proportional to 45,653.70, 68,480.55 and 33,114.90

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Solution

The fourth proportional to 45,653.70, 68,480.55 and 33,114.90 is: 49,672.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,653.70 : 68,480.55 = 33,114.90 : x
  2. Step 2: Convert to fraction form
    45,653.70/68,480.55 = 33,114.90/x
  3. Step 3: Cross multiply
    45,653.70x = 68,480.55 × 33,114.90
  4. Step 4: Simplify right side
    45,653.70x = 2,267,726,565.20
  5. Step 5: Solve for x
    x = 2,267,726,565.20/45,653.70
  6. Step 6: Final answer
    x = 49,672.35

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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.