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Finding the Fourth Proportional to 18,333.75, 27,500.63 and 6,646.98

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Solution

The fourth proportional to 18,333.75, 27,500.63 and 6,646.98 is: 9,970.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,333.75 : 27,500.63 = 6,646.98 : x
  2. Step 2: Convert to fraction form
    18,333.75/27,500.63 = 6,646.98/x
  3. Step 3: Cross multiply
    18,333.75x = 27,500.63 × 6,646.98
  4. Step 4: Simplify right side
    18,333.75x = 182,796,137.60
  5. Step 5: Solve for x
    x = 182,796,137.60/18,333.75
  6. Step 6: Final answer
    x = 9,970.47

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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.