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Finding the Fourth Proportional to 48,735, 67,254.30 and 26,379

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Solution

The fourth proportional to 48,735, 67,254.30 and 26,379 is: 36,403.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,735 : 67,254.30 = 26,379 : x
  2. Step 2: Convert to fraction form
    48,735/67,254.30 = 26,379/x
  3. Step 3: Cross multiply
    48,735x = 67,254.30 × 26,379
  4. Step 4: Simplify right side
    48,735x = 1,774,101,179.70
  5. Step 5: Solve for x
    x = 1,774,101,179.70/48,735
  6. Step 6: Final answer
    x = 36,403.02

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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.