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Finding the Fourth Proportional to 14,900.06, 20,562.06 and 8,185.86

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Solution

The fourth proportional to 14,900.06, 20,562.06 and 8,185.86 is: 11,296.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,900.06 : 20,562.06 = 8,185.86 : x
  2. Step 2: Convert to fraction form
    14,900.06/20,562.06 = 8,185.86/x
  3. Step 3: Cross multiply
    14,900.06x = 20,562.06 × 8,185.86
  4. Step 4: Simplify right side
    14,900.06x = 168,318,144.47
  5. Step 5: Solve for x
    x = 168,318,144.47/14,900.06
  6. Step 6: Final answer
    x = 11,296.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.