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Finding the Fourth Proportional to 5,666.70, 8,500.15 and 1,969.05

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Solution

The fourth proportional to 5,666.70, 8,500.15 and 1,969.05 is: 2,953.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,666.70 : 8,500.15 = 1,969.05 : x
  2. Step 2: Convert to fraction form
    5,666.70/8,500.15 = 1,969.05/x
  3. Step 3: Cross multiply
    5,666.70x = 8,500.15 × 1,969.05
  4. Step 4: Simplify right side
    5,666.70x = 16,737,220.36
  5. Step 5: Solve for x
    x = 16,737,220.36/5,666.70
  6. Step 6: Final answer
    x = 2,953.61

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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.