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Finding the Fourth Proportional to 8,333.76, 12,506.40 and 5,995.20

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Solution

The fourth proportional to 8,333.76, 12,506.40 and 5,995.20 is: 8,996.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,333.76 : 12,506.40 = 5,995.20 : x
  2. Step 2: Convert to fraction form
    8,333.76/12,506.40 = 5,995.20/x
  3. Step 3: Cross multiply
    8,333.76x = 12,506.40 × 5,995.20
  4. Step 4: Simplify right side
    8,333.76x = 74,978,369.28
  5. Step 5: Solve for x
    x = 74,978,369.28/8,333.76
  6. Step 6: Final answer
    x = 8,996.94

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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.