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Finding the Fourth Proportional to 7,072.56, 10,609.02 and 2,455.56

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Solution

The fourth proportional to 7,072.56, 10,609.02 and 2,455.56 is: 3,683.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072.56 : 10,609.02 = 2,455.56 : x
  2. Step 2: Convert to fraction form
    7,072.56/10,609.02 = 2,455.56/x
  3. Step 3: Cross multiply
    7,072.56x = 10,609.02 × 2,455.56
  4. Step 4: Simplify right side
    7,072.56x = 26,051,085.15
  5. Step 5: Solve for x
    x = 26,051,085.15/7,072.56
  6. Step 6: Final answer
    x = 3,683.40

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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.