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Finding the Fourth Proportional to 1,826.74, 2,741.55 and 902.26

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Solution

The fourth proportional to 1,826.74, 2,741.55 and 902.26 is: 1,354.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,826.74 : 2,741.55 = 902.26 : x
  2. Step 2: Convert to fraction form
    1,826.74/2,741.55 = 902.26/x
  3. Step 3: Cross multiply
    1,826.74x = 2,741.55 × 902.26
  4. Step 4: Simplify right side
    1,826.74x = 2,473,590.90
  5. Step 5: Solve for x
    x = 2,473,590.90/1,826.74
  6. Step 6: Final answer
    x = 1,354.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.