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Finding the Fourth Proportional to 35,491,225.81, 48,978,039.21 and 19,193,701.81

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Solution

The fourth proportional to 35,491,225.81, 48,978,039.21 and 19,193,701.81 is: 26,487,388.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,491,225.81 : 48,978,039.21 = 19,193,701.81 : x
  2. Step 2: Convert to fraction form
    35,491,225.81/48,978,039.21 = 19,193,701.81/x
  3. Step 3: Cross multiply
    35,491,225.81x = 48,978,039.21 × 19,193,701.81
  4. Step 4: Simplify right side
    35,491,225.81x = 940,069,879,835,227.88
  5. Step 5: Solve for x
    x = 940,069,879,835,227.88/35,491,225.81
  6. Step 6: Final answer
    x = 26,487,388.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.