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Finding the Fourth Proportional to 18,395.51, 27,596.30 and 7,302.29

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Solution

The fourth proportional to 18,395.51, 27,596.30 and 7,302.29 is: 10,954.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,395.51 : 27,596.30 = 7,302.29 : x
  2. Step 2: Convert to fraction form
    18,395.51/27,596.30 = 7,302.29/x
  3. Step 3: Cross multiply
    18,395.51x = 27,596.30 × 7,302.29
  4. Step 4: Simplify right side
    18,395.51x = 201,516,011.03
  5. Step 5: Solve for x
    x = 201,516,011.03/18,395.51
  6. Step 6: Final answer
    x = 10,954.63

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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.