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Finding the Fourth Proportional to 12,437.50, 17,163.76 and 6,848.50

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Solution

The fourth proportional to 12,437.50, 17,163.76 and 6,848.50 is: 9,450.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,437.50 : 17,163.76 = 6,848.50 : x
  2. Step 2: Convert to fraction form
    12,437.50/17,163.76 = 6,848.50/x
  3. Step 3: Cross multiply
    12,437.50x = 17,163.76 × 6,848.50
  4. Step 4: Simplify right side
    12,437.50x = 117,546,010.36
  5. Step 5: Solve for x
    x = 117,546,010.36/12,437.50
  6. Step 6: Final answer
    x = 9,450.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.