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Finding the Fourth Proportional to 18,297.48, 27,450.10 and 7,053.11

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Solution

The fourth proportional to 18,297.48, 27,450.10 and 7,053.11 is: 10,581.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,297.48 : 27,450.10 = 7,053.11 : x
  2. Step 2: Convert to fraction form
    18,297.48/27,450.10 = 7,053.11/x
  3. Step 3: Cross multiply
    18,297.48x = 27,450.10 × 7,053.11
  4. Step 4: Simplify right side
    18,297.48x = 193,608,574.81
  5. Step 5: Solve for x
    x = 193,608,574.81/18,297.48
  6. Step 6: Final answer
    x = 10,581.16

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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.