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Finding the Fourth Proportional to 19,196.85, 28,794.29 and 7,356.29

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Solution

The fourth proportional to 19,196.85, 28,794.29 and 7,356.29 is: 11,034.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,196.85 : 28,794.29 = 7,356.29 : x
  2. Step 2: Convert to fraction form
    19,196.85/28,794.29 = 7,356.29/x
  3. Step 3: Cross multiply
    19,196.85x = 28,794.29 × 7,356.29
  4. Step 4: Simplify right side
    19,196.85x = 211,819,209.78
  5. Step 5: Solve for x
    x = 211,819,209.78/19,196.85
  6. Step 6: Final answer
    x = 11,034.06

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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.