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Finding the Fourth Proportional to 5,865.55, 8,790.80 and 2,398.67

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Solution

The fourth proportional to 5,865.55, 8,790.80 and 2,398.67 is: 3,594.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,865.55 : 8,790.80 = 2,398.67 : x
  2. Step 2: Convert to fraction form
    5,865.55/8,790.80 = 2,398.67/x
  3. Step 3: Cross multiply
    5,865.55x = 8,790.80 × 2,398.67
  4. Step 4: Simplify right side
    5,865.55x = 21,086,228.24
  5. Step 5: Solve for x
    x = 21,086,228.24/5,865.55
  6. Step 6: Final answer
    x = 3,594.93

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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.