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Finding the Fourth Proportional to 20,392.92, 30,585.93 and 5,598.41

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Solution

The fourth proportional to 20,392.92, 30,585.93 and 5,598.41 is: 8,396.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,392.92 : 30,585.93 = 5,598.41 : x
  2. Step 2: Convert to fraction form
    20,392.92/30,585.93 = 5,598.41/x
  3. Step 3: Cross multiply
    20,392.92x = 30,585.93 × 5,598.41
  4. Step 4: Simplify right side
    20,392.92x = 171,232,423.44
  5. Step 5: Solve for x
    x = 171,232,423.44/20,392.92
  6. Step 6: Final answer
    x = 8,396.66

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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.