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Finding the Fourth Proportional to 27,077.08, 40,622.02 and 8,609.08

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Solution

The fourth proportional to 27,077.08, 40,622.02 and 8,609.08 is: 12,915.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,077.08 : 40,622.02 = 8,609.08 : x
  2. Step 2: Convert to fraction form
    27,077.08/40,622.02 = 8,609.08/x
  3. Step 3: Cross multiply
    27,077.08x = 40,622.02 × 8,609.08
  4. Step 4: Simplify right side
    27,077.08x = 349,718,219.94
  5. Step 5: Solve for x
    x = 349,718,219.94/27,077.08
  6. Step 6: Final answer
    x = 12,915.65

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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.