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Finding the Fourth Proportional to 12,602.24, 18,903.36 and 3,368

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Solution

The fourth proportional to 12,602.24, 18,903.36 and 3,368 is: 5,052

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,602.24 : 18,903.36 = 3,368 : x
  2. Step 2: Convert to fraction form
    12,602.24/18,903.36 = 3,368/x
  3. Step 3: Cross multiply
    12,602.24x = 18,903.36 × 3,368
  4. Step 4: Simplify right side
    12,602.24x = 63,666,516.48
  5. Step 5: Solve for x
    x = 63,666,516.48/12,602.24
  6. Step 6: Final answer
    x = 5,052

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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.