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Finding the Fourth Proportional to 7,386.98, 11,076.30 and 2,453.98

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Solution

The fourth proportional to 7,386.98, 11,076.30 and 2,453.98 is: 3,679.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,386.98 : 11,076.30 = 2,453.98 : x
  2. Step 2: Convert to fraction form
    7,386.98/11,076.30 = 2,453.98/x
  3. Step 3: Cross multiply
    7,386.98x = 11,076.30 × 2,453.98
  4. Step 4: Simplify right side
    7,386.98x = 27,181,018.67
  5. Step 5: Solve for x
    x = 27,181,018.67/7,386.98
  6. Step 6: Final answer
    x = 3,679.58

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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.