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Finding the Fourth Proportional to 19,796.57, 29,674.05 and 7,308.63

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Solution

The fourth proportional to 19,796.57, 29,674.05 and 7,308.63 is: 10,955.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,796.57 : 29,674.05 = 7,308.63 : x
  2. Step 2: Convert to fraction form
    19,796.57/29,674.05 = 7,308.63/x
  3. Step 3: Cross multiply
    19,796.57x = 29,674.05 × 7,308.63
  4. Step 4: Simplify right side
    19,796.57x = 216,876,624.64
  5. Step 5: Solve for x
    x = 216,876,624.64/19,796.57
  6. Step 6: Final answer
    x = 10,955.26

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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.