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Finding the Fourth Proportional to 4,900.64, 6,762.14 and 2,911.14

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Solution

The fourth proportional to 4,900.64, 6,762.14 and 2,911.14 is: 4,016.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,900.64 : 6,762.14 = 2,911.14 : x
  2. Step 2: Convert to fraction form
    4,900.64/6,762.14 = 2,911.14/x
  3. Step 3: Cross multiply
    4,900.64x = 6,762.14 × 2,911.14
  4. Step 4: Simplify right side
    4,900.64x = 19,685,536.24
  5. Step 5: Solve for x
    x = 19,685,536.24/4,900.64
  6. Step 6: Final answer
    x = 4,016.93

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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.