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Finding the Fourth Proportional to 5,370.09, 8,051.09 and 3,521.67

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Solution

The fourth proportional to 5,370.09, 8,051.09 and 3,521.67 is: 5,279.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,370.09 : 8,051.09 = 3,521.67 : x
  2. Step 2: Convert to fraction form
    5,370.09/8,051.09 = 3,521.67/x
  3. Step 3: Cross multiply
    5,370.09x = 8,051.09 × 3,521.67
  4. Step 4: Simplify right side
    5,370.09x = 28,353,289.51
  5. Step 5: Solve for x
    x = 28,353,289.51/5,370.09
  6. Step 6: Final answer
    x = 5,279.85

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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.