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Finding the Fourth Proportional to 69,252.76, 103,879.14 and 39,650.10

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Solution

The fourth proportional to 69,252.76, 103,879.14 and 39,650.10 is: 59,475.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,252.76 : 103,879.14 = 39,650.10 : x
  2. Step 2: Convert to fraction form
    69,252.76/103,879.14 = 39,650.10/x
  3. Step 3: Cross multiply
    69,252.76x = 103,879.14 × 39,650.10
  4. Step 4: Simplify right side
    69,252.76x = 4,118,818,288.91
  5. Step 5: Solve for x
    x = 4,118,818,288.91/69,252.76
  6. Step 6: Final answer
    x = 59,475.15

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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.