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Finding the Fourth Proportional to 27,866.90, 41,788.74 and 10,327.16

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Solution

The fourth proportional to 27,866.90, 41,788.74 and 10,327.16 is: 15,486.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,866.90 : 41,788.74 = 10,327.16 : x
  2. Step 2: Convert to fraction form
    27,866.90/41,788.74 = 10,327.16/x
  3. Step 3: Cross multiply
    27,866.90x = 41,788.74 × 10,327.16
  4. Step 4: Simplify right side
    27,866.90x = 431,559,004.18
  5. Step 5: Solve for x
    x = 431,559,004.18/27,866.90
  6. Step 6: Final answer
    x = 15,486.44

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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.