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Finding the Fourth Proportional to 12,437.99, 18,664.14 and 6,594.59

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Solution

The fourth proportional to 12,437.99, 18,664.14 and 6,594.59 is: 9,895.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,437.99 : 18,664.14 = 6,594.59 : x
  2. Step 2: Convert to fraction form
    12,437.99/18,664.14 = 6,594.59/x
  3. Step 3: Cross multiply
    12,437.99x = 18,664.14 × 6,594.59
  4. Step 4: Simplify right side
    12,437.99x = 123,082,257.68
  5. Step 5: Solve for x
    x = 123,082,257.68/12,437.99
  6. Step 6: Final answer
    x = 9,895.68

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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.