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Finding the Fourth Proportional to 1,162.05, 1,741.54 and 852.46

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Solution

The fourth proportional to 1,162.05, 1,741.54 and 852.46 is: 1,277.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162.05 : 1,741.54 = 852.46 : x
  2. Step 2: Convert to fraction form
    1,162.05/1,741.54 = 852.46/x
  3. Step 3: Cross multiply
    1,162.05x = 1,741.54 × 852.46
  4. Step 4: Simplify right side
    1,162.05x = 1,484,586.13
  5. Step 5: Solve for x
    x = 1,484,586.13/1,162.05
  6. Step 6: Final answer
    x = 1,277.56

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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.