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Finding the Fourth Proportional to 9,622.12, 14,402.94 and 9,397.48

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Solution

The fourth proportional to 9,622.12, 14,402.94 and 9,397.48 is: 14,066.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,622.12 : 14,402.94 = 9,397.48 : x
  2. Step 2: Convert to fraction form
    9,622.12/14,402.94 = 9,397.48/x
  3. Step 3: Cross multiply
    9,622.12x = 14,402.94 × 9,397.48
  4. Step 4: Simplify right side
    9,622.12x = 135,351,340.59
  5. Step 5: Solve for x
    x = 135,351,340.59/9,622.12
  6. Step 6: Final answer
    x = 14,066.69

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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.