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Finding the Fourth Proportional to 5,000.91, 6,901.07 and 2,762.64

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Solution

The fourth proportional to 5,000.91, 6,901.07 and 2,762.64 is: 3,812.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000.91 : 6,901.07 = 2,762.64 : x
  2. Step 2: Convert to fraction form
    5,000.91/6,901.07 = 2,762.64/x
  3. Step 3: Cross multiply
    5,000.91x = 6,901.07 × 2,762.64
  4. Step 4: Simplify right side
    5,000.91x = 19,065,158.21
  5. Step 5: Solve for x
    x = 19,065,158.21/5,000.91
  6. Step 6: Final answer
    x = 3,812.34

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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.