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Finding the Fourth Proportional to 3,604.68, 4,973.98 and 2,188.67

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Solution

The fourth proportional to 3,604.68, 4,973.98 and 2,188.67 is: 3,020.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,604.68 : 4,973.98 = 2,188.67 : x
  2. Step 2: Convert to fraction form
    3,604.68/4,973.98 = 2,188.67/x
  3. Step 3: Cross multiply
    3,604.68x = 4,973.98 × 2,188.67
  4. Step 4: Simplify right side
    3,604.68x = 10,886,408.70
  5. Step 5: Solve for x
    x = 10,886,408.70/3,604.68
  6. Step 6: Final answer
    x = 3,020.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.