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Finding the Fourth Proportional to 1,341.06, 1,850.36 and 751.57

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Solution

The fourth proportional to 1,341.06, 1,850.36 and 751.57 is: 1,037.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341.06 : 1,850.36 = 751.57 : x
  2. Step 2: Convert to fraction form
    1,341.06/1,850.36 = 751.57/x
  3. Step 3: Cross multiply
    1,341.06x = 1,850.36 × 751.57
  4. Step 4: Simplify right side
    1,341.06x = 1,390,675.07
  5. Step 5: Solve for x
    x = 1,390,675.07/1,341.06
  6. Step 6: Final answer
    x = 1,037.00

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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.