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Finding the Fourth Proportional to 35,418.75, 48,876.72 and 19,502.79

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Solution

The fourth proportional to 35,418.75, 48,876.72 and 19,502.79 is: 26,913.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,418.75 : 48,876.72 = 19,502.79 : x
  2. Step 2: Convert to fraction form
    35,418.75/48,876.72 = 19,502.79/x
  3. Step 3: Cross multiply
    35,418.75x = 48,876.72 × 19,502.79
  4. Step 4: Simplify right side
    35,418.75x = 953,232,406.05
  5. Step 5: Solve for x
    x = 953,232,406.05/35,418.75
  6. Step 6: Final answer
    x = 26,913.21

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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.