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Finding the Fourth Proportional to 33,518,878.40, 50,278,317.60 and 18,213,377.60

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Solution

The fourth proportional to 33,518,878.40, 50,278,317.60 and 18,213,377.60 is: 27,320,066.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,518,878.40 : 50,278,317.60 = 18,213,377.60 : x
  2. Step 2: Convert to fraction form
    33,518,878.40/50,278,317.60 = 18,213,377.60/x
  3. Step 3: Cross multiply
    33,518,878.40x = 50,278,317.60 × 18,213,377.60
  4. Step 4: Simplify right side
    33,518,878.40x = 915,737,983,541,525.88
  5. Step 5: Solve for x
    x = 915,737,983,541,525.88/33,518,878.40
  6. Step 6: Final answer
    x = 27,320,066.40

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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.