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Finding the Fourth Proportional to 8,185.92, 11,304.48 and 7,000.08

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Solution

The fourth proportional to 8,185.92, 11,304.48 and 7,000.08 is: 9,666.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,185.92 : 11,304.48 = 7,000.08 : x
  2. Step 2: Convert to fraction form
    8,185.92/11,304.48 = 7,000.08/x
  3. Step 3: Cross multiply
    8,185.92x = 11,304.48 × 7,000.08
  4. Step 4: Simplify right side
    8,185.92x = 79,132,264.36
  5. Step 5: Solve for x
    x = 79,132,264.36/8,185.92
  6. Step 6: Final answer
    x = 9,666.87

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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.