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Finding the Fourth Proportional to 8,339.99, 12,502.73 and 3,406.48

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Solution

The fourth proportional to 8,339.99, 12,502.73 and 3,406.48 is: 5,106.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,339.99 : 12,502.73 = 3,406.48 : x
  2. Step 2: Convert to fraction form
    8,339.99/12,502.73 = 3,406.48/x
  3. Step 3: Cross multiply
    8,339.99x = 12,502.73 × 3,406.48
  4. Step 4: Simplify right side
    8,339.99x = 42,590,276.95
  5. Step 5: Solve for x
    x = 42,590,276.95/8,339.99
  6. Step 6: Final answer
    x = 5,106.76

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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.