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Finding the Fourth Proportional to 8,358.99, 12,539.32 and 3,095.41

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Solution

The fourth proportional to 8,358.99, 12,539.32 and 3,095.41 is: 4,643.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,358.99 : 12,539.32 = 3,095.41 : x
  2. Step 2: Convert to fraction form
    8,358.99/12,539.32 = 3,095.41/x
  3. Step 3: Cross multiply
    8,358.99x = 12,539.32 × 3,095.41
  4. Step 4: Simplify right side
    8,358.99x = 38,814,336.52
  5. Step 5: Solve for x
    x = 38,814,336.52/8,358.99
  6. Step 6: Final answer
    x = 4,643.42

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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.