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Finding the Fourth Proportional to 12,232.53, 18,347.94 and 3,913.47

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Solution

The fourth proportional to 12,232.53, 18,347.94 and 3,913.47 is: 5,869.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,232.53 : 18,347.94 = 3,913.47 : x
  2. Step 2: Convert to fraction form
    12,232.53/18,347.94 = 3,913.47/x
  3. Step 3: Cross multiply
    12,232.53x = 18,347.94 × 3,913.47
  4. Step 4: Simplify right side
    12,232.53x = 71,804,112.75
  5. Step 5: Solve for x
    x = 71,804,112.75/12,232.53
  6. Step 6: Final answer
    x = 5,869.93

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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.