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Finding the Fourth Proportional to 4,911.84, 7,370.64 and 2,964.24

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Solution

The fourth proportional to 4,911.84, 7,370.64 and 2,964.24 is: 4,448.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.84 : 7,370.64 = 2,964.24 : x
  2. Step 2: Convert to fraction form
    4,911.84/7,370.64 = 2,964.24/x
  3. Step 3: Cross multiply
    4,911.84x = 7,370.64 × 2,964.24
  4. Step 4: Simplify right side
    4,911.84x = 21,848,345.91
  5. Step 5: Solve for x
    x = 21,848,345.91/4,911.84
  6. Step 6: Final answer
    x = 4,448.10

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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.