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Finding the Fourth Proportional to 5,610.35, 8,415.53 and 1,910.67

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Solution

The fourth proportional to 5,610.35, 8,415.53 and 1,910.67 is: 2,866.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,610.35 : 8,415.53 = 1,910.67 : x
  2. Step 2: Convert to fraction form
    5,610.35/8,415.53 = 1,910.67/x
  3. Step 3: Cross multiply
    5,610.35x = 8,415.53 × 1,910.67
  4. Step 4: Simplify right side
    5,610.35x = 16,079,291.15
  5. Step 5: Solve for x
    x = 16,079,291.15/5,610.35
  6. Step 6: Final answer
    x = 2,866.01

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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.