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Finding the Fourth Proportional to 6,867.63, 9,476.67 and 5,454.74

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Solution

The fourth proportional to 6,867.63, 9,476.67 and 5,454.74 is: 7,527.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,867.63 : 9,476.67 = 5,454.74 : x
  2. Step 2: Convert to fraction form
    6,867.63/9,476.67 = 5,454.74/x
  3. Step 3: Cross multiply
    6,867.63x = 9,476.67 × 5,454.74
  4. Step 4: Simplify right side
    6,867.63x = 51,692,723.53
  5. Step 5: Solve for x
    x = 51,692,723.53/6,867.63
  6. Step 6: Final answer
    x = 7,527.01

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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.