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Finding the Fourth Proportional to 30,079.44, 45,118.26 and 14,295.87

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Solution

The fourth proportional to 30,079.44, 45,118.26 and 14,295.87 is: 21,443.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,079.44 : 45,118.26 = 14,295.87 : x
  2. Step 2: Convert to fraction form
    30,079.44/45,118.26 = 14,295.87/x
  3. Step 3: Cross multiply
    30,079.44x = 45,118.26 × 14,295.87
  4. Step 4: Simplify right side
    30,079.44x = 645,004,779.59
  5. Step 5: Solve for x
    x = 645,004,779.59/30,079.44
  6. Step 6: Final answer
    x = 21,443.38

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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.