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Finding the Fourth Proportional to 63,674.50, 95,511.76 and 19,898.50

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Solution

The fourth proportional to 63,674.50, 95,511.76 and 19,898.50 is: 29,847.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,674.50 : 95,511.76 = 19,898.50 : x
  2. Step 2: Convert to fraction form
    63,674.50/95,511.76 = 19,898.50/x
  3. Step 3: Cross multiply
    63,674.50x = 95,511.76 × 19,898.50
  4. Step 4: Simplify right side
    63,674.50x = 1,900,540,756.36
  5. Step 5: Solve for x
    x = 1,900,540,756.36/63,674.50
  6. Step 6: Final answer
    x = 29,847.75

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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.