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Finding the Fourth Proportional to 35,491,238.46, 48,978,056.64 and 19,193,714.46

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Solution

The fourth proportional to 35,491,238.46, 48,978,056.64 and 19,193,714.46 is: 26,487,405.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,491,238.46 : 48,978,056.64 = 19,193,714.46 : x
  2. Step 2: Convert to fraction form
    35,491,238.46/48,978,056.64 = 19,193,714.46/x
  3. Step 3: Cross multiply
    35,491,238.46x = 48,978,056.64 × 19,193,714.46
  4. Step 4: Simplify right side
    35,491,238.46x = 940,070,833,953,867.12
  5. Step 5: Solve for x
    x = 940,070,833,953,867.12/35,491,238.46
  6. Step 6: Final answer
    x = 26,487,405.76

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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.