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Finding the Fourth Proportional to 19,182.95, 28,776.11 and 5,858.95

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Solution

The fourth proportional to 19,182.95, 28,776.11 and 5,858.95 is: 8,788.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,182.95 : 28,776.11 = 5,858.95 : x
  2. Step 2: Convert to fraction form
    19,182.95/28,776.11 = 5,858.95/x
  3. Step 3: Cross multiply
    19,182.95x = 28,776.11 × 5,858.95
  4. Step 4: Simplify right side
    19,182.95x = 168,597,876.27
  5. Step 5: Solve for x
    x = 168,597,876.27/19,182.95
  6. Step 6: Final answer
    x = 8,788.94

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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.