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Finding the Fourth Proportional to 19,674.76, 29,494.32 and 9,817.08

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Solution

The fourth proportional to 19,674.76, 29,494.32 and 9,817.08 is: 14,716.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,674.76 : 29,494.32 = 9,817.08 : x
  2. Step 2: Convert to fraction form
    19,674.76/29,494.32 = 9,817.08/x
  3. Step 3: Cross multiply
    19,674.76x = 29,494.32 × 9,817.08
  4. Step 4: Simplify right side
    19,674.76x = 289,548,098.99
  5. Step 5: Solve for x
    x = 289,548,098.99/19,674.76
  6. Step 6: Final answer
    x = 14,716.73

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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.