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Finding the Fourth Proportional to 1,741.41, 2,403.20 and 955.51

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Solution

The fourth proportional to 1,741.41, 2,403.20 and 955.51 is: 1,318.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,741.41 : 2,403.20 = 955.51 : x
  2. Step 2: Convert to fraction form
    1,741.41/2,403.20 = 955.51/x
  3. Step 3: Cross multiply
    1,741.41x = 2,403.20 × 955.51
  4. Step 4: Simplify right side
    1,741.41x = 2,296,281.63
  5. Step 5: Solve for x
    x = 2,296,281.63/1,741.41
  6. Step 6: Final answer
    x = 1,318.63

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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.