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Finding the Fourth Proportional to 6,900.63, 9,522.90 and 3,756.81

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Solution

The fourth proportional to 6,900.63, 9,522.90 and 3,756.81 is: 5,184.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,900.63 : 9,522.90 = 3,756.81 : x
  2. Step 2: Convert to fraction form
    6,900.63/9,522.90 = 3,756.81/x
  3. Step 3: Cross multiply
    6,900.63x = 9,522.90 × 3,756.81
  4. Step 4: Simplify right side
    6,900.63x = 35,775,725.95
  5. Step 5: Solve for x
    x = 35,775,725.95/6,900.63
  6. Step 6: Final answer
    x = 5,184.41

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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.