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Finding the Fourth Proportional to 5,800.62, 8,700.90 and 2,101.98

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Solution

The fourth proportional to 5,800.62, 8,700.90 and 2,101.98 is: 3,152.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,800.62 : 8,700.90 = 2,101.98 : x
  2. Step 2: Convert to fraction form
    5,800.62/8,700.90 = 2,101.98/x
  3. Step 3: Cross multiply
    5,800.62x = 8,700.90 × 2,101.98
  4. Step 4: Simplify right side
    5,800.62x = 18,289,117.78
  5. Step 5: Solve for x
    x = 18,289,117.78/5,800.62
  6. Step 6: Final answer
    x = 3,152.96

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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.