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Finding the Fourth Proportional to 6,268.78, 8,653.16 and 4,277.91

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Solution

The fourth proportional to 6,268.78, 8,653.16 and 4,277.91 is: 5,905.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,268.78 : 8,653.16 = 4,277.91 : x
  2. Step 2: Convert to fraction form
    6,268.78/8,653.16 = 4,277.91/x
  3. Step 3: Cross multiply
    6,268.78x = 8,653.16 × 4,277.91
  4. Step 4: Simplify right side
    6,268.78x = 37,017,482.84
  5. Step 5: Solve for x
    x = 37,017,482.84/6,268.78
  6. Step 6: Final answer
    x = 5,905.05

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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.