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Finding the Fourth Proportional to 4,964.63, 7,441.91 and 3,117.05

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Solution

The fourth proportional to 4,964.63, 7,441.91 and 3,117.05 is: 4,672.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,964.63 : 7,441.91 = 3,117.05 : x
  2. Step 2: Convert to fraction form
    4,964.63/7,441.91 = 3,117.05/x
  3. Step 3: Cross multiply
    4,964.63x = 7,441.91 × 3,117.05
  4. Step 4: Simplify right side
    4,964.63x = 23,196,792.37
  5. Step 5: Solve for x
    x = 23,196,792.37/4,964.63
  6. Step 6: Final answer
    x = 4,672.42

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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.