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Finding the Fourth Proportional to 8,968.92, 13,434.16 and 7,295.09

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Solution

The fourth proportional to 8,968.92, 13,434.16 and 7,295.09 is: 10,927.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,968.92 : 13,434.16 = 7,295.09 : x
  2. Step 2: Convert to fraction form
    8,968.92/13,434.16 = 7,295.09/x
  3. Step 3: Cross multiply
    8,968.92x = 13,434.16 × 7,295.09
  4. Step 4: Simplify right side
    8,968.92x = 98,003,433.13
  5. Step 5: Solve for x
    x = 98,003,433.13/8,968.92
  6. Step 6: Final answer
    x = 10,927.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.