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Finding the Fourth Proportional to 9,485.59, 14,228.39 and 2,560.09

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Solution

The fourth proportional to 9,485.59, 14,228.39 and 2,560.09 is: 3,840.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,485.59 : 14,228.39 = 2,560.09 : x
  2. Step 2: Convert to fraction form
    9,485.59/14,228.39 = 2,560.09/x
  3. Step 3: Cross multiply
    9,485.59x = 14,228.39 × 2,560.09
  4. Step 4: Simplify right side
    9,485.59x = 36,425,958.96
  5. Step 5: Solve for x
    x = 36,425,958.96/9,485.59
  6. Step 6: Final answer
    x = 3,840.14

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Double scale
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Similar ratio
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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.