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Finding the Fourth Proportional to 4,855.84, 6,690 and 4,527.52

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Solution

The fourth proportional to 4,855.84, 6,690 and 4,527.52 is: 6,237.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,855.84 : 6,690 = 4,527.52 : x
  2. Step 2: Convert to fraction form
    4,855.84/6,690 = 4,527.52/x
  3. Step 3: Cross multiply
    4,855.84x = 6,690 × 4,527.52
  4. Step 4: Simplify right side
    4,855.84x = 30,289,108.80
  5. Step 5: Solve for x
    x = 30,289,108.80/4,855.84
  6. Step 6: Final answer
    x = 6,237.67

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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.