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Finding the Fourth Proportional to 19,214.94, 28,816.17 and 7,368.09

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Solution

The fourth proportional to 19,214.94, 28,816.17 and 7,368.09 is: 11,049.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,214.94 : 28,816.17 = 7,368.09 : x
  2. Step 2: Convert to fraction form
    19,214.94/28,816.17 = 7,368.09/x
  3. Step 3: Cross multiply
    19,214.94x = 28,816.17 × 7,368.09
  4. Step 4: Simplify right side
    19,214.94x = 212,320,134.02
  5. Step 5: Solve for x
    x = 212,320,134.02/19,214.94
  6. Step 6: Final answer
    x = 11,049.74

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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.