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Finding the Fourth Proportional to 12,437.45, 17,163.66 and 6,848.45

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Solution

The fourth proportional to 12,437.45, 17,163.66 and 6,848.45 is: 9,450.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,437.45 : 17,163.66 = 6,848.45 : x
  2. Step 2: Convert to fraction form
    12,437.45/17,163.66 = 6,848.45/x
  3. Step 3: Cross multiply
    12,437.45x = 17,163.66 × 6,848.45
  4. Step 4: Simplify right side
    12,437.45x = 117,544,381.51
  5. Step 5: Solve for x
    x = 117,544,381.51/12,437.45
  6. Step 6: Final answer
    x = 9,450.85

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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.