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Finding the Fourth Proportional to 6,855.60, 10,257.40 and 4,551.60

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Solution

The fourth proportional to 6,855.60, 10,257.40 and 4,551.60 is: 6,810.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,855.60 : 10,257.40 = 4,551.60 : x
  2. Step 2: Convert to fraction form
    6,855.60/10,257.40 = 4,551.60/x
  3. Step 3: Cross multiply
    6,855.60x = 10,257.40 × 4,551.60
  4. Step 4: Simplify right side
    6,855.60x = 46,687,581.84
  5. Step 5: Solve for x
    x = 46,687,581.84/6,855.60
  6. Step 6: Final answer
    x = 6,810.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.