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Finding the Fourth Proportional to 5,868.02, 8,770.24 and 5,400.98

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Solution

The fourth proportional to 5,868.02, 8,770.24 and 5,400.98 is: 8,072.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,868.02 : 8,770.24 = 5,400.98 : x
  2. Step 2: Convert to fraction form
    5,868.02/8,770.24 = 5,400.98/x
  3. Step 3: Cross multiply
    5,868.02x = 8,770.24 × 5,400.98
  4. Step 4: Simplify right side
    5,868.02x = 47,367,890.84
  5. Step 5: Solve for x
    x = 47,367,890.84/5,868.02
  6. Step 6: Final answer
    x = 8,072.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.