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Finding the Fourth Proportional to 26,766,774.40, 40,150,161.60 and 19,264,489.60

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Solution

The fourth proportional to 26,766,774.40, 40,150,161.60 and 19,264,489.60 is: 28,896,734.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,766,774.40 : 40,150,161.60 = 19,264,489.60 : x
  2. Step 2: Convert to fraction form
    26,766,774.40/40,150,161.60 = 19,264,489.60/x
  3. Step 3: Cross multiply
    26,766,774.40x = 40,150,161.60 × 19,264,489.60
  4. Step 4: Simplify right side
    26,766,774.40x = 773,472,370,581,519.50
  5. Step 5: Solve for x
    x = 773,472,370,581,519.50/26,766,774.40
  6. Step 6: Final answer
    x = 28,896,734.40

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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.