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Finding the Fourth Proportional to 5,765.84, 8,648.40 and 2,300.60

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Solution

The fourth proportional to 5,765.84, 8,648.40 and 2,300.60 is: 3,450.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,765.84 : 8,648.40 = 2,300.60 : x
  2. Step 2: Convert to fraction form
    5,765.84/8,648.40 = 2,300.60/x
  3. Step 3: Cross multiply
    5,765.84x = 8,648.40 × 2,300.60
  4. Step 4: Simplify right side
    5,765.84x = 19,896,509.04
  5. Step 5: Solve for x
    x = 19,896,509.04/5,765.84
  6. Step 6: Final answer
    x = 3,450.76

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Similar ratio
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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.