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Finding the Fourth Proportional to 1,374.44, 1,895.44 and 1,095.60

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Solution

The fourth proportional to 1,374.44, 1,895.44 and 1,095.60 is: 1,510.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374.44 : 1,895.44 = 1,095.60 : x
  2. Step 2: Convert to fraction form
    1,374.44/1,895.44 = 1,095.60/x
  3. Step 3: Cross multiply
    1,374.44x = 1,895.44 × 1,095.60
  4. Step 4: Simplify right side
    1,374.44x = 2,076,644.06
  5. Step 5: Solve for x
    x = 2,076,644.06/1,374.44
  6. Step 6: Final answer
    x = 1,510.90

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Why These Related Problems?

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