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Finding the Fourth Proportional to 8,507.63, 11,746.26 and 7,608.58

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Solution

The fourth proportional to 8,507.63, 11,746.26 and 7,608.58 is: 10,504.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,507.63 : 11,746.26 = 7,608.58 : x
  2. Step 2: Convert to fraction form
    8,507.63/11,746.26 = 7,608.58/x
  3. Step 3: Cross multiply
    8,507.63x = 11,746.26 × 7,608.58
  4. Step 4: Simplify right side
    8,507.63x = 89,372,358.91
  5. Step 5: Solve for x
    x = 89,372,358.91/8,507.63
  6. Step 6: Final answer
    x = 10,504.97

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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.