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Finding the Fourth Proportional to 4,892.63, 7,338.26 and 1,605.30

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Solution

The fourth proportional to 4,892.63, 7,338.26 and 1,605.30 is: 2,407.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,892.63 : 7,338.26 = 1,605.30 : x
  2. Step 2: Convert to fraction form
    4,892.63/7,338.26 = 1,605.30/x
  3. Step 3: Cross multiply
    4,892.63x = 7,338.26 × 1,605.30
  4. Step 4: Simplify right side
    4,892.63x = 11,780,104.76
  5. Step 5: Solve for x
    x = 11,780,104.76/4,892.63
  6. Step 6: Final answer
    x = 2,407.72

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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.