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Finding the Fourth Proportional to 8,605.80, 11,874.17 and 5,626.01

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Solution

The fourth proportional to 8,605.80, 11,874.17 and 5,626.01 is: 7,762.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,605.80 : 11,874.17 = 5,626.01 : x
  2. Step 2: Convert to fraction form
    8,605.80/11,874.17 = 5,626.01/x
  3. Step 3: Cross multiply
    8,605.80x = 11,874.17 × 5,626.01
  4. Step 4: Simplify right side
    8,605.80x = 66,804,111.66
  5. Step 5: Solve for x
    x = 66,804,111.66/8,605.80
  6. Step 6: Final answer
    x = 7,762.68

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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.