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Finding the Fourth Proportional to 35,418.29, 48,876.29 and 19,502.87

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Solution

The fourth proportional to 35,418.29, 48,876.29 and 19,502.87 is: 26,913.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,418.29 : 48,876.29 = 19,502.87 : x
  2. Step 2: Convert to fraction form
    35,418.29/48,876.29 = 19,502.87/x
  3. Step 3: Cross multiply
    35,418.29x = 48,876.29 × 19,502.87
  4. Step 4: Simplify right side
    35,418.29x = 953,227,929.95
  5. Step 5: Solve for x
    x = 953,227,929.95/35,418.29
  6. Step 6: Final answer
    x = 26,913.44

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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.