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Finding the Fourth Proportional to 11,043.72, 15,240.48 and 6,075.72

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Solution

The fourth proportional to 11,043.72, 15,240.48 and 6,075.72 is: 8,384.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,043.72 : 15,240.48 = 6,075.72 : x
  2. Step 2: Convert to fraction form
    11,043.72/15,240.48 = 6,075.72/x
  3. Step 3: Cross multiply
    11,043.72x = 15,240.48 × 6,075.72
  4. Step 4: Simplify right side
    11,043.72x = 92,596,889.15
  5. Step 5: Solve for x
    x = 92,596,889.15/11,043.72
  6. Step 6: Final answer
    x = 8,384.57

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.