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Finding the Fourth Proportional to 18,068.14, 27,082.44 and 9,303.58

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Solution

The fourth proportional to 18,068.14, 27,082.44 and 9,303.58 is: 13,945.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,068.14 : 27,082.44 = 9,303.58 : x
  2. Step 2: Convert to fraction form
    18,068.14/27,082.44 = 9,303.58/x
  3. Step 3: Cross multiply
    18,068.14x = 27,082.44 × 9,303.58
  4. Step 4: Simplify right side
    18,068.14x = 251,963,647.14
  5. Step 5: Solve for x
    x = 251,963,647.14/18,068.14
  6. Step 6: Final answer
    x = 13,945.19

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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.