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Finding the Fourth Proportional to 19,274.90, 28,916.48 and 6,794.42

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Solution

The fourth proportional to 19,274.90, 28,916.48 and 6,794.42 is: 10,193.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,274.90 : 28,916.48 = 6,794.42 : x
  2. Step 2: Convert to fraction form
    19,274.90/28,916.48 = 6,794.42/x
  3. Step 3: Cross multiply
    19,274.90x = 28,916.48 × 6,794.42
  4. Step 4: Simplify right side
    19,274.90x = 196,470,710.04
  5. Step 5: Solve for x
    x = 196,470,710.04/19,274.90
  6. Step 6: Final answer
    x = 10,193.09

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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.