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Finding the Fourth Proportional to 22,888.80, 34,328.88 and 11,194.72

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Solution

The fourth proportional to 22,888.80, 34,328.88 and 11,194.72 is: 16,789.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,888.80 : 34,328.88 = 11,194.72 : x
  2. Step 2: Convert to fraction form
    22,888.80/34,328.88 = 11,194.72/x
  3. Step 3: Cross multiply
    22,888.80x = 34,328.88 × 11,194.72
  4. Step 4: Simplify right side
    22,888.80x = 384,302,199.51
  5. Step 5: Solve for x
    x = 384,302,199.51/22,888.80
  6. Step 6: Final answer
    x = 16,789.97

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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.