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Finding the Fourth Proportional to 5,866.70, 8,796.40 and 3,271.46

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Solution

The fourth proportional to 5,866.70, 8,796.40 and 3,271.46 is: 4,905.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,866.70 : 8,796.40 = 3,271.46 : x
  2. Step 2: Convert to fraction form
    5,866.70/8,796.40 = 3,271.46/x
  3. Step 3: Cross multiply
    5,866.70x = 8,796.40 × 3,271.46
  4. Step 4: Simplify right side
    5,866.70x = 28,777,070.74
  5. Step 5: Solve for x
    x = 28,777,070.74/5,866.70
  6. Step 6: Final answer
    x = 4,905.15

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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.