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Finding the Fourth Proportional to 26,915,543.80, 40,373,315.70 and 26,915,543.80

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Solution

The fourth proportional to 26,915,543.80, 40,373,315.70 and 26,915,543.80 is: 40,373,315.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,915,543.80 : 40,373,315.70 = 26,915,543.80 : x
  2. Step 2: Convert to fraction form
    26,915,543.80/40,373,315.70 = 26,915,543.80/x
  3. Step 3: Cross multiply
    26,915,543.80x = 40,373,315.70 × 26,915,543.80
  4. Step 4: Simplify right side
    26,915,543.80x = 1,086,669,747,074,577.75
  5. Step 5: Solve for x
    x = 1,086,669,747,074,577.75/26,915,543.80
  6. Step 6: Final answer
    x = 40,373,315.70

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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.