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Finding the Fourth Proportional to 18,279.01, 27,417.93 and 7,746.22

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Solution

The fourth proportional to 18,279.01, 27,417.93 and 7,746.22 is: 11,619.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,279.01 : 27,417.93 = 7,746.22 : x
  2. Step 2: Convert to fraction form
    18,279.01/27,417.93 = 7,746.22/x
  3. Step 3: Cross multiply
    18,279.01x = 27,417.93 × 7,746.22
  4. Step 4: Simplify right side
    18,279.01x = 212,385,317.72
  5. Step 5: Solve for x
    x = 212,385,317.72/18,279.01
  6. Step 6: Final answer
    x = 11,619.08

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.