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Finding the Fourth Proportional to 27,798.66, 41,702.58 and 8,074.62

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Solution

The fourth proportional to 27,798.66, 41,702.58 and 8,074.62 is: 12,113.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,798.66 : 41,702.58 = 8,074.62 : x
  2. Step 2: Convert to fraction form
    27,798.66/41,702.58 = 8,074.62/x
  3. Step 3: Cross multiply
    27,798.66x = 41,702.58 × 8,074.62
  4. Step 4: Simplify right side
    27,798.66x = 336,732,486.52
  5. Step 5: Solve for x
    x = 336,732,486.52/27,798.66
  6. Step 6: Final answer
    x = 12,113.26

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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.