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Finding the Fourth Proportional to 4,896.73, 7,343.70 and 1,386.51

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Solution

The fourth proportional to 4,896.73, 7,343.70 and 1,386.51 is: 2,079.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,896.73 : 7,343.70 = 1,386.51 : x
  2. Step 2: Convert to fraction form
    4,896.73/7,343.70 = 1,386.51/x
  3. Step 3: Cross multiply
    4,896.73x = 7,343.70 × 1,386.51
  4. Step 4: Simplify right side
    4,896.73x = 10,182,113.49
  5. Step 5: Solve for x
    x = 10,182,113.49/4,896.73
  6. Step 6: Final answer
    x = 2,079.37

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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.