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Finding the Fourth Proportional to 20,334.68, 30,506.52 and 6,483.68

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Solution

The fourth proportional to 20,334.68, 30,506.52 and 6,483.68 is: 9,726.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,334.68 : 30,506.52 = 6,483.68 : x
  2. Step 2: Convert to fraction form
    20,334.68/30,506.52 = 6,483.68/x
  3. Step 3: Cross multiply
    20,334.68x = 30,506.52 × 6,483.68
  4. Step 4: Simplify right side
    20,334.68x = 197,794,513.59
  5. Step 5: Solve for x
    x = 197,794,513.59/20,334.68
  6. Step 6: Final answer
    x = 9,726.95

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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.