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Finding the Fourth Proportional to 4,755.40, 6,548.94 and 4,653.64

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Solution

The fourth proportional to 4,755.40, 6,548.94 and 4,653.64 is: 6,408.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,755.40 : 6,548.94 = 4,653.64 : x
  2. Step 2: Convert to fraction form
    4,755.40/6,548.94 = 4,653.64/x
  3. Step 3: Cross multiply
    4,755.40x = 6,548.94 × 4,653.64
  4. Step 4: Simplify right side
    4,755.40x = 30,476,409.14
  5. Step 5: Solve for x
    x = 30,476,409.14/4,755.40
  6. Step 6: Final answer
    x = 6,408.80

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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.