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Finding the Fourth Proportional to 6,762.30, 10,131.30 and 5,790.30

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Solution

The fourth proportional to 6,762.30, 10,131.30 and 5,790.30 is: 8,675.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,762.30 : 10,131.30 = 5,790.30 : x
  2. Step 2: Convert to fraction form
    6,762.30/10,131.30 = 5,790.30/x
  3. Step 3: Cross multiply
    6,762.30x = 10,131.30 × 5,790.30
  4. Step 4: Simplify right side
    6,762.30x = 58,663,266.39
  5. Step 5: Solve for x
    x = 58,663,266.39/6,762.30
  6. Step 6: Final answer
    x = 8,675.05

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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.