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Finding the Fourth Proportional to 1,462.95, 2,018.85 and 873.38

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Solution

The fourth proportional to 1,462.95, 2,018.85 and 873.38 is: 1,205.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,462.95 : 2,018.85 = 873.38 : x
  2. Step 2: Convert to fraction form
    1,462.95/2,018.85 = 873.38/x
  3. Step 3: Cross multiply
    1,462.95x = 2,018.85 × 873.38
  4. Step 4: Simplify right side
    1,462.95x = 1,763,213.12
  5. Step 5: Solve for x
    x = 1,763,213.12/1,462.95
  6. Step 6: Final answer
    x = 1,205.24

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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.