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Finding the Fourth Proportional to 1,741.19, 2,402.70 and 955.28

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Solution

The fourth proportional to 1,741.19, 2,402.70 and 955.28 is: 1,318.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,741.19 : 2,402.70 = 955.28 : x
  2. Step 2: Convert to fraction form
    1,741.19/2,402.70 = 955.28/x
  3. Step 3: Cross multiply
    1,741.19x = 2,402.70 × 955.28
  4. Step 4: Simplify right side
    1,741.19x = 2,295,239.24
  5. Step 5: Solve for x
    x = 2,295,239.24/1,741.19
  6. Step 6: Final answer
    x = 1,318.21

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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.