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Finding the Fourth Proportional to 8,891.94, 13,333.62 and 4,208.07

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Solution

The fourth proportional to 8,891.94, 13,333.62 and 4,208.07 is: 6,310.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,891.94 : 13,333.62 = 4,208.07 : x
  2. Step 2: Convert to fraction form
    8,891.94/13,333.62 = 4,208.07/x
  3. Step 3: Cross multiply
    8,891.94x = 13,333.62 × 4,208.07
  4. Step 4: Simplify right side
    8,891.94x = 56,108,806.31
  5. Step 5: Solve for x
    x = 56,108,806.31/8,891.94
  6. Step 6: Final answer
    x = 6,310.07

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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.