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Finding the Fourth Proportional to 8,537.64, 11,781.10 and 6,300.72

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Solution

The fourth proportional to 8,537.64, 11,781.10 and 6,300.72 is: 8,694.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,537.64 : 11,781.10 = 6,300.72 : x
  2. Step 2: Convert to fraction form
    8,537.64/11,781.10 = 6,300.72/x
  3. Step 3: Cross multiply
    8,537.64x = 11,781.10 × 6,300.72
  4. Step 4: Simplify right side
    8,537.64x = 74,229,412.39
  5. Step 5: Solve for x
    x = 74,229,412.39/8,537.64
  6. Step 6: Final answer
    x = 8,694.37

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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.