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Finding the Fourth Proportional to 35,381.30, 48,826.95 and 19,465.76

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Solution

The fourth proportional to 35,381.30, 48,826.95 and 19,465.76 is: 26,863.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,381.30 : 48,826.95 = 19,465.76 : x
  2. Step 2: Convert to fraction form
    35,381.30/48,826.95 = 19,465.76/x
  3. Step 3: Cross multiply
    35,381.30x = 48,826.95 × 19,465.76
  4. Step 4: Simplify right side
    35,381.30x = 950,453,446.10
  5. Step 5: Solve for x
    x = 950,453,446.10/35,381.30
  6. Step 6: Final answer
    x = 26,863.16

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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.