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Finding the Fourth Proportional to 8,504.13, 11,741.42 and 7,605.08

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Solution

The fourth proportional to 8,504.13, 11,741.42 and 7,605.08 is: 10,500.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,504.13 : 11,741.42 = 7,605.08 : x
  2. Step 2: Convert to fraction form
    8,504.13/11,741.42 = 7,605.08/x
  3. Step 3: Cross multiply
    8,504.13x = 11,741.42 × 7,605.08
  4. Step 4: Simplify right side
    8,504.13x = 89,294,398.72
  5. Step 5: Solve for x
    x = 89,294,398.72/8,504.13
  6. Step 6: Final answer
    x = 10,500.12

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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.