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Finding the Fourth Proportional to 4,885.47, 6,741.95 and 2,647.41

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Solution

The fourth proportional to 4,885.47, 6,741.95 and 2,647.41 is: 3,653.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.47 : 6,741.95 = 2,647.41 : x
  2. Step 2: Convert to fraction form
    4,885.47/6,741.95 = 2,647.41/x
  3. Step 3: Cross multiply
    4,885.47x = 6,741.95 × 2,647.41
  4. Step 4: Simplify right side
    4,885.47x = 17,848,692.61
  5. Step 5: Solve for x
    x = 17,848,692.61/4,885.47
  6. Step 6: Final answer
    x = 3,653.42

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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.