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Finding the Fourth Proportional to 12,537.99, 18,809.82 and 6,300.99

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Solution

The fourth proportional to 12,537.99, 18,809.82 and 6,300.99 is: 9,452.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,537.99 : 18,809.82 = 6,300.99 : x
  2. Step 2: Convert to fraction form
    12,537.99/18,809.82 = 6,300.99/x
  3. Step 3: Cross multiply
    12,537.99x = 18,809.82 × 6,300.99
  4. Step 4: Simplify right side
    12,537.99x = 118,520,487.72
  5. Step 5: Solve for x
    x = 118,520,487.72/12,537.99
  6. Step 6: Final answer
    x = 9,452.91

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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.