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Finding the Fourth Proportional to 12,371.93, 17,072.53 and 7,336.63

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Solution

The fourth proportional to 12,371.93, 17,072.53 and 7,336.63 is: 10,124.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371.93 : 17,072.53 = 7,336.63 : x
  2. Step 2: Convert to fraction form
    12,371.93/17,072.53 = 7,336.63/x
  3. Step 3: Cross multiply
    12,371.93x = 17,072.53 × 7,336.63
  4. Step 4: Simplify right side
    12,371.93x = 125,254,835.77
  5. Step 5: Solve for x
    x = 125,254,835.77/12,371.93
  6. Step 6: Final answer
    x = 10,124.11

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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.