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Finding the Fourth Proportional to 1,341.94, 1,851.90 and 752.44

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Solution

The fourth proportional to 1,341.94, 1,851.90 and 752.44 is: 1,038.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341.94 : 1,851.90 = 752.44 : x
  2. Step 2: Convert to fraction form
    1,341.94/1,851.90 = 752.44/x
  3. Step 3: Cross multiply
    1,341.94x = 1,851.90 × 752.44
  4. Step 4: Simplify right side
    1,341.94x = 1,393,443.64
  5. Step 5: Solve for x
    x = 1,393,443.64/1,341.94
  6. Step 6: Final answer
    x = 1,038.38

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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.