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Finding the Fourth Proportional to 49,012.52, 73,518.76 and 21,310.52

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Solution

The fourth proportional to 49,012.52, 73,518.76 and 21,310.52 is: 31,965.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,012.52 : 73,518.76 = 21,310.52 : x
  2. Step 2: Convert to fraction form
    49,012.52/73,518.76 = 21,310.52/x
  3. Step 3: Cross multiply
    49,012.52x = 73,518.76 × 21,310.52
  4. Step 4: Simplify right side
    49,012.52x = 1,566,723,005.36
  5. Step 5: Solve for x
    x = 1,566,723,005.36/49,012.52
  6. Step 6: Final answer
    x = 31,965.77

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1.5x scale

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.