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Finding the Fourth Proportional to 6,312.77, 8,710.06 and 3,794.38

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Solution

The fourth proportional to 6,312.77, 8,710.06 and 3,794.38 is: 5,235.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,312.77 : 8,710.06 = 3,794.38 : x
  2. Step 2: Convert to fraction form
    6,312.77/8,710.06 = 3,794.38/x
  3. Step 3: Cross multiply
    6,312.77x = 8,710.06 × 3,794.38
  4. Step 4: Simplify right side
    6,312.77x = 33,049,276.76
  5. Step 5: Solve for x
    x = 33,049,276.76/6,312.77
  6. Step 6: Final answer
    x = 5,235.30

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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.