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Finding the Fourth Proportional to 46,672.30, 69,964.18 and 18,609.60

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Solution

The fourth proportional to 46,672.30, 69,964.18 and 18,609.60 is: 27,896.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,672.30 : 69,964.18 = 18,609.60 : x
  2. Step 2: Convert to fraction form
    46,672.30/69,964.18 = 18,609.60/x
  3. Step 3: Cross multiply
    46,672.30x = 69,964.18 × 18,609.60
  4. Step 4: Simplify right side
    46,672.30x = 1,302,005,404.13
  5. Step 5: Solve for x
    x = 1,302,005,404.13/46,672.30
  6. Step 6: Final answer
    x = 27,896.75

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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.