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Finding the Fourth Proportional to 6,758.93, 10,130.87 and 2,807.99

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Solution

The fourth proportional to 6,758.93, 10,130.87 and 2,807.99 is: 4,208.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,758.93 : 10,130.87 = 2,807.99 : x
  2. Step 2: Convert to fraction form
    6,758.93/10,130.87 = 2,807.99/x
  3. Step 3: Cross multiply
    6,758.93x = 10,130.87 × 2,807.99
  4. Step 4: Simplify right side
    6,758.93x = 28,447,316.96
  5. Step 5: Solve for x
    x = 28,447,316.96/6,758.93
  6. Step 6: Final answer
    x = 4,208.85

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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.