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Finding the Fourth Proportional to 36,974,019.20, 55,335,057.60 and 36,974,019.20

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Solution

The fourth proportional to 36,974,019.20, 55,335,057.60 and 36,974,019.20 is: 55,335,057.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,974,019.20 : 55,335,057.60 = 36,974,019.20 : x
  2. Step 2: Convert to fraction form
    36,974,019.20/55,335,057.60 = 36,974,019.20/x
  3. Step 3: Cross multiply
    36,974,019.20x = 55,335,057.60 × 36,974,019.20
  4. Step 4: Simplify right side
    36,974,019.20x = 2,045,959,482,135,506.25
  5. Step 5: Solve for x
    x = 2,045,959,482,135,506.25/36,974,019.20
  6. Step 6: Final answer
    x = 55,335,057.60

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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.