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Finding the Fourth Proportional to 4,102.62, 5,661.12 and 2,333.74

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Solution

The fourth proportional to 4,102.62, 5,661.12 and 2,333.74 is: 3,220.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.62 : 5,661.12 = 2,333.74 : x
  2. Step 2: Convert to fraction form
    4,102.62/5,661.12 = 2,333.74/x
  3. Step 3: Cross multiply
    4,102.62x = 5,661.12 × 2,333.74
  4. Step 4: Simplify right side
    4,102.62x = 13,211,582.19
  5. Step 5: Solve for x
    x = 13,211,582.19/4,102.62
  6. Step 6: Final answer
    x = 3,220.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.