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Finding the Fourth Proportional to 8,605.06, 11,874.87 and 4,828.23

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Solution

The fourth proportional to 8,605.06, 11,874.87 and 4,828.23 is: 6,662.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,605.06 : 11,874.87 = 4,828.23 : x
  2. Step 2: Convert to fraction form
    8,605.06/11,874.87 = 4,828.23/x
  3. Step 3: Cross multiply
    8,605.06x = 11,874.87 × 4,828.23
  4. Step 4: Simplify right side
    8,605.06x = 57,334,603.58
  5. Step 5: Solve for x
    x = 57,334,603.58/8,605.06
  6. Step 6: Final answer
    x = 6,662.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.