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Finding the Fourth Proportional to 8,653.77, 11,935.41 and 6,264.10

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Solution

The fourth proportional to 8,653.77, 11,935.41 and 6,264.10 is: 8,639.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,653.77 : 11,935.41 = 6,264.10 : x
  2. Step 2: Convert to fraction form
    8,653.77/11,935.41 = 6,264.10/x
  3. Step 3: Cross multiply
    8,653.77x = 11,935.41 × 6,264.10
  4. Step 4: Simplify right side
    8,653.77x = 74,764,601.78
  5. Step 5: Solve for x
    x = 74,764,601.78/8,653.77
  6. Step 6: Final answer
    x = 8,639.54

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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.