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Finding the Fourth Proportional to 27,277.86, 40,916.83 and 8,559.33

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Solution

The fourth proportional to 27,277.86, 40,916.83 and 8,559.33 is: 12,839.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,277.86 : 40,916.83 = 8,559.33 : x
  2. Step 2: Convert to fraction form
    27,277.86/40,916.83 = 8,559.33/x
  3. Step 3: Cross multiply
    27,277.86x = 40,916.83 × 8,559.33
  4. Step 4: Simplify right side
    27,277.86x = 350,220,629.13
  5. Step 5: Solve for x
    x = 350,220,629.13/27,277.86
  6. Step 6: Final answer
    x = 12,839.01

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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.