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Finding the Fourth Proportional to 6,900.36, 9,522.60 and 3,756.60

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Solution

The fourth proportional to 6,900.36, 9,522.60 and 3,756.60 is: 5,184.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,900.36 : 9,522.60 = 3,756.60 : x
  2. Step 2: Convert to fraction form
    6,900.36/9,522.60 = 3,756.60/x
  3. Step 3: Cross multiply
    6,900.36x = 9,522.60 × 3,756.60
  4. Step 4: Simplify right side
    6,900.36x = 35,772,599.16
  5. Step 5: Solve for x
    x = 35,772,599.16/6,900.36
  6. Step 6: Final answer
    x = 5,184.16

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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.