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Finding the Fourth Proportional to 18,333.66, 27,500.60 and 6,646.58

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Solution

The fourth proportional to 18,333.66, 27,500.60 and 6,646.58 is: 9,969.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,333.66 : 27,500.60 = 6,646.58 : x
  2. Step 2: Convert to fraction form
    18,333.66/27,500.60 = 6,646.58/x
  3. Step 3: Cross multiply
    18,333.66x = 27,500.60 × 6,646.58
  4. Step 4: Simplify right side
    18,333.66x = 182,784,767.21
  5. Step 5: Solve for x
    x = 182,784,767.21/18,333.66
  6. Step 6: Final answer
    x = 9,969.90

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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.