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Finding the Fourth Proportional to 27,886.72, 41,793.16 and 13,069.10

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Solution

The fourth proportional to 27,886.72, 41,793.16 and 13,069.10 is: 19,586.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,886.72 : 41,793.16 = 13,069.10 : x
  2. Step 2: Convert to fraction form
    27,886.72/41,793.16 = 13,069.10/x
  3. Step 3: Cross multiply
    27,886.72x = 41,793.16 × 13,069.10
  4. Step 4: Simplify right side
    27,886.72x = 546,198,987.36
  5. Step 5: Solve for x
    x = 546,198,987.36/27,886.72
  6. Step 6: Final answer
    x = 19,586.35

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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.