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Finding the Fourth Proportional to 1,341.44, 1,850.94 and 751.88

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Solution

The fourth proportional to 1,341.44, 1,850.94 and 751.88 is: 1,037.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341.44 : 1,850.94 = 751.88 : x
  2. Step 2: Convert to fraction form
    1,341.44/1,850.94 = 751.88/x
  3. Step 3: Cross multiply
    1,341.44x = 1,850.94 × 751.88
  4. Step 4: Simplify right side
    1,341.44x = 1,391,684.77
  5. Step 5: Solve for x
    x = 1,391,684.77/1,341.44
  6. Step 6: Final answer
    x = 1,037.46

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1.5x scale

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.