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Finding the Fourth Proportional to 6,395.54, 8,825.81 and 3,562.77

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Solution

The fourth proportional to 6,395.54, 8,825.81 and 3,562.77 is: 4,916.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,395.54 : 8,825.81 = 3,562.77 : x
  2. Step 2: Convert to fraction form
    6,395.54/8,825.81 = 3,562.77/x
  3. Step 3: Cross multiply
    6,395.54x = 8,825.81 × 3,562.77
  4. Step 4: Simplify right side
    6,395.54x = 31,444,313.28
  5. Step 5: Solve for x
    x = 31,444,313.28/6,395.54
  6. Step 6: Final answer
    x = 4,916.60

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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.