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Finding the Fourth Proportional to 8,795.93, 12,137.31 and 7,007.97

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Solution

The fourth proportional to 8,795.93, 12,137.31 and 7,007.97 is: 9,670.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,795.93 : 12,137.31 = 7,007.97 : x
  2. Step 2: Convert to fraction form
    8,795.93/12,137.31 = 7,007.97/x
  3. Step 3: Cross multiply
    8,795.93x = 12,137.31 × 7,007.97
  4. Step 4: Simplify right side
    8,795.93x = 85,057,904.36
  5. Step 5: Solve for x
    x = 85,057,904.36/8,795.93
  6. Step 6: Final answer
    x = 9,670.14

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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.