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Finding the Fourth Proportional to 36,591.08, 54,886.62 and 8,889

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Solution

The fourth proportional to 36,591.08, 54,886.62 and 8,889 is: 13,333.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,591.08 : 54,886.62 = 8,889 : x
  2. Step 2: Convert to fraction form
    36,591.08/54,886.62 = 8,889/x
  3. Step 3: Cross multiply
    36,591.08x = 54,886.62 × 8,889
  4. Step 4: Simplify right side
    36,591.08x = 487,887,165.18
  5. Step 5: Solve for x
    x = 487,887,165.18/36,591.08
  6. Step 6: Final answer
    x = 13,333.50

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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.