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Finding the Fourth Proportional to 49,672.90, 74,509.35 and 46,951.30

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Solution

The fourth proportional to 49,672.90, 74,509.35 and 46,951.30 is: 70,426.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,672.90 : 74,509.35 = 46,951.30 : x
  2. Step 2: Convert to fraction form
    49,672.90/74,509.35 = 46,951.30/x
  3. Step 3: Cross multiply
    49,672.90x = 74,509.35 × 46,951.30
  4. Step 4: Simplify right side
    49,672.90x = 3,498,310,844.66
  5. Step 5: Solve for x
    x = 3,498,310,844.66/49,672.90
  6. Step 6: Final answer
    x = 70,426.95

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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.