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Finding the Fourth Proportional to 35,340.47, 48,769.86 and 19,425.96

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Solution

The fourth proportional to 35,340.47, 48,769.86 and 19,425.96 is: 26,807.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,340.47 : 48,769.86 = 19,425.96 : x
  2. Step 2: Convert to fraction form
    35,340.47/48,769.86 = 19,425.96/x
  3. Step 3: Cross multiply
    35,340.47x = 48,769.86 × 19,425.96
  4. Step 4: Simplify right side
    35,340.47x = 947,401,422.41
  5. Step 5: Solve for x
    x = 947,401,422.41/35,340.47
  6. Step 6: Final answer
    x = 26,807.83

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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.