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Finding the Fourth Proportional to 49,346, 68,098.56 and 26,990

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Solution

The fourth proportional to 49,346, 68,098.56 and 26,990 is: 37,246.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,346 : 68,098.56 = 26,990 : x
  2. Step 2: Convert to fraction form
    49,346/68,098.56 = 26,990/x
  3. Step 3: Cross multiply
    49,346x = 68,098.56 × 26,990
  4. Step 4: Simplify right side
    49,346x = 1,837,980,134.40
  5. Step 5: Solve for x
    x = 1,837,980,134.40/49,346
  6. Step 6: Final answer
    x = 37,246.79

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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.