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Finding the Fourth Proportional to 6,804.55, 9,391.31 and 4,153.50

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Solution

The fourth proportional to 6,804.55, 9,391.31 and 4,153.50 is: 5,732.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,804.55 : 9,391.31 = 4,153.50 : x
  2. Step 2: Convert to fraction form
    6,804.55/9,391.31 = 4,153.50/x
  3. Step 3: Cross multiply
    6,804.55x = 9,391.31 × 4,153.50
  4. Step 4: Simplify right side
    6,804.55x = 39,006,738.36
  5. Step 5: Solve for x
    x = 39,006,738.36/6,804.55
  6. Step 6: Final answer
    x = 5,732.45

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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.