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Finding the Fourth Proportional to 35,342.91, 48,773.25 and 19,428.41

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Solution

The fourth proportional to 35,342.91, 48,773.25 and 19,428.41 is: 26,811.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,342.91 : 48,773.25 = 19,428.41 : x
  2. Step 2: Convert to fraction form
    35,342.91/48,773.25 = 19,428.41/x
  3. Step 3: Cross multiply
    35,342.91x = 48,773.25 × 19,428.41
  4. Step 4: Simplify right side
    35,342.91x = 947,586,454.17
  5. Step 5: Solve for x
    x = 947,586,454.17/35,342.91
  6. Step 6: Final answer
    x = 26,811.22

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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.