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Finding the Fourth Proportional to 4,903.72, 6,768.06 and 3,136.06

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Solution

The fourth proportional to 4,903.72, 6,768.06 and 3,136.06 is: 4,328.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,903.72 : 6,768.06 = 3,136.06 : x
  2. Step 2: Convert to fraction form
    4,903.72/6,768.06 = 3,136.06/x
  3. Step 3: Cross multiply
    4,903.72x = 6,768.06 × 3,136.06
  4. Step 4: Simplify right side
    4,903.72x = 21,225,042.24
  5. Step 5: Solve for x
    x = 21,225,042.24/4,903.72
  6. Step 6: Final answer
    x = 4,328.36

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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.