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Finding the Fourth Proportional to 49,963.08, 74,978.64 and 26,605.92

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Solution

The fourth proportional to 49,963.08, 74,978.64 and 26,605.92 is: 39,927.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,963.08 : 74,978.64 = 26,605.92 : x
  2. Step 2: Convert to fraction form
    49,963.08/74,978.64 = 26,605.92/x
  3. Step 3: Cross multiply
    49,963.08x = 74,978.64 × 26,605.92
  4. Step 4: Simplify right side
    49,963.08x = 1,994,875,697.55
  5. Step 5: Solve for x
    x = 1,994,875,697.55/49,963.08
  6. Step 6: Final answer
    x = 39,927.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.