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Finding the Fourth Proportional to 8,592.91, 11,829.68 and 7,707.18

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Solution

The fourth proportional to 8,592.91, 11,829.68 and 7,707.18 is: 10,610.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,592.91 : 11,829.68 = 7,707.18 : x
  2. Step 2: Convert to fraction form
    8,592.91/11,829.68 = 7,707.18/x
  3. Step 3: Cross multiply
    8,592.91x = 11,829.68 × 7,707.18
  4. Step 4: Simplify right side
    8,592.91x = 91,173,473.10
  5. Step 5: Solve for x
    x = 91,173,473.10/8,592.91
  6. Step 6: Final answer
    x = 10,610.31

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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.