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Finding the Fourth Proportional to 1,162.84, 1,746.12 and 676.24

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Solution

The fourth proportional to 1,162.84, 1,746.12 and 676.24 is: 1,015.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162.84 : 1,746.12 = 676.24 : x
  2. Step 2: Convert to fraction form
    1,162.84/1,746.12 = 676.24/x
  3. Step 3: Cross multiply
    1,162.84x = 1,746.12 × 676.24
  4. Step 4: Simplify right side
    1,162.84x = 1,180,796.19
  5. Step 5: Solve for x
    x = 1,180,796.19/1,162.84
  6. Step 6: Final answer
    x = 1,015.44

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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.