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Finding the Fourth Proportional to 5,000.30, 6,899.87 and 2,762.06

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Solution

The fourth proportional to 5,000.30, 6,899.87 and 2,762.06 is: 3,811.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000.30 : 6,899.87 = 2,762.06 : x
  2. Step 2: Convert to fraction form
    5,000.30/6,899.87 = 2,762.06/x
  3. Step 3: Cross multiply
    5,000.30x = 6,899.87 × 2,762.06
  4. Step 4: Simplify right side
    5,000.30x = 19,057,841.12
  5. Step 5: Solve for x
    x = 19,057,841.12/5,000.30
  6. Step 6: Final answer
    x = 3,811.34

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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.