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Finding the Fourth Proportional to 4,911.32, 7,348.74 and 2,964.89

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Solution

The fourth proportional to 4,911.32, 7,348.74 and 2,964.89 is: 4,436.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.32 : 7,348.74 = 2,964.89 : x
  2. Step 2: Convert to fraction form
    4,911.32/7,348.74 = 2,964.89/x
  3. Step 3: Cross multiply
    4,911.32x = 7,348.74 × 2,964.89
  4. Step 4: Simplify right side
    4,911.32x = 21,788,168.99
  5. Step 5: Solve for x
    x = 21,788,168.99/4,911.32
  6. Step 6: Final answer
    x = 4,436.32

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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.