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Finding the Fourth Proportional to 9,402.74, 14,104.80 and 3,162.74

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Solution

The fourth proportional to 9,402.74, 14,104.80 and 3,162.74 is: 4,744.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,402.74 : 14,104.80 = 3,162.74 : x
  2. Step 2: Convert to fraction form
    9,402.74/14,104.80 = 3,162.74/x
  3. Step 3: Cross multiply
    9,402.74x = 14,104.80 × 3,162.74
  4. Step 4: Simplify right side
    9,402.74x = 44,609,744.63
  5. Step 5: Solve for x
    x = 44,609,744.63/9,402.74
  6. Step 6: Final answer
    x = 4,744.34

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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.