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Finding the Fourth Proportional to 36,993,391.80, 55,490,087.70 and 35,481,737.40

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Solution

The fourth proportional to 36,993,391.80, 55,490,087.70 and 35,481,737.40 is: 53,222,606.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,993,391.80 : 55,490,087.70 = 35,481,737.40 : x
  2. Step 2: Convert to fraction form
    36,993,391.80/55,490,087.70 = 35,481,737.40/x
  3. Step 3: Cross multiply
    36,993,391.80x = 55,490,087.70 × 35,481,737.40
  4. Step 4: Simplify right side
    36,993,391.80x = 1,968,884,720,074,370
  5. Step 5: Solve for x
    x = 1,968,884,720,074,370/36,993,391.80
  6. Step 6: Final answer
    x = 53,222,606.10

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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.