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Finding the Fourth Proportional to 2,041.52, 3,061.05 and 1,384.20

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Solution

The fourth proportional to 2,041.52, 3,061.05 and 1,384.20 is: 2,075.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,041.52 : 3,061.05 = 1,384.20 : x
  2. Step 2: Convert to fraction form
    2,041.52/3,061.05 = 1,384.20/x
  3. Step 3: Cross multiply
    2,041.52x = 3,061.05 × 1,384.20
  4. Step 4: Simplify right side
    2,041.52x = 4,237,105.41
  5. Step 5: Solve for x
    x = 4,237,105.41/2,041.52
  6. Step 6: Final answer
    x = 2,075.47

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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.