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Finding the Fourth Proportional to 18,750,674.25, 28,266,551.52 and 17,500,749.96

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Solution

The fourth proportional to 18,750,674.25, 28,266,551.52 and 17,500,749.96 is: 26,382,296.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,750,674.25 : 28,266,551.52 = 17,500,749.96 : x
  2. Step 2: Convert to fraction form
    18,750,674.25/28,266,551.52 = 17,500,749.96/x
  3. Step 3: Cross multiply
    18,750,674.25x = 28,266,551.52 × 17,500,749.96
  4. Step 4: Simplify right side
    18,750,674.25x = 494,685,850,382,977.94
  5. Step 5: Solve for x
    x = 494,685,850,382,977.94/18,750,674.25
  6. Step 6: Final answer
    x = 26,382,296.65

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.