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Finding the Fourth Proportional to 1,741.32, 2,402.98 and 955.35

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Solution

The fourth proportional to 1,741.32, 2,402.98 and 955.35 is: 1,318.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,741.32 : 2,402.98 = 955.35 : x
  2. Step 2: Convert to fraction form
    1,741.32/2,402.98 = 955.35/x
  3. Step 3: Cross multiply
    1,741.32x = 2,402.98 × 955.35
  4. Step 4: Simplify right side
    1,741.32x = 2,295,686.94
  5. Step 5: Solve for x
    x = 2,295,686.94/1,741.32
  6. Step 6: Final answer
    x = 1,318.36

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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.