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Finding the Fourth Proportional to 18,595.63, 27,895.22 and 5,268.90

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Solution

The fourth proportional to 18,595.63, 27,895.22 and 5,268.90 is: 7,903.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,595.63 : 27,895.22 = 5,268.90 : x
  2. Step 2: Convert to fraction form
    18,595.63/27,895.22 = 5,268.90/x
  3. Step 3: Cross multiply
    18,595.63x = 27,895.22 × 5,268.90
  4. Step 4: Simplify right side
    18,595.63x = 146,977,098.31
  5. Step 5: Solve for x
    x = 146,977,098.31/18,595.63
  6. Step 6: Final answer
    x = 7,903.85

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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.