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Finding the Fourth Proportional to 7,673.56, 11,495.22 and 7,133.56

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Solution

The fourth proportional to 7,673.56, 11,495.22 and 7,133.56 is: 10,686.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,673.56 : 11,495.22 = 7,133.56 : x
  2. Step 2: Convert to fraction form
    7,673.56/11,495.22 = 7,133.56/x
  3. Step 3: Cross multiply
    7,673.56x = 11,495.22 × 7,133.56
  4. Step 4: Simplify right side
    7,673.56x = 82,001,841.58
  5. Step 5: Solve for x
    x = 82,001,841.58/7,673.56
  6. Step 6: Final answer
    x = 10,686.28

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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.