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Finding the Fourth Proportional to 33,908,460.60, 50,862,690.90 and 30,213,305.40

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Solution

The fourth proportional to 33,908,460.60, 50,862,690.90 and 30,213,305.40 is: 45,319,958.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,908,460.60 : 50,862,690.90 = 30,213,305.40 : x
  2. Step 2: Convert to fraction form
    33,908,460.60/50,862,690.90 = 30,213,305.40/x
  3. Step 3: Cross multiply
    33,908,460.60x = 50,862,690.90 × 30,213,305.40
  4. Step 4: Simplify right side
    33,908,460.60x = 1,536,730,013,627,500.75
  5. Step 5: Solve for x
    x = 1,536,730,013,627,500.75/33,908,460.60
  6. Step 6: Final answer
    x = 45,319,958.10

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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.