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Finding the Fourth Proportional to 1,618.00, 2,233.91 and 1,244.32

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Solution

The fourth proportional to 1,618.00, 2,233.91 and 1,244.32 is: 1,717.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618.00 : 2,233.91 = 1,244.32 : x
  2. Step 2: Convert to fraction form
    1,618.00/2,233.91 = 1,244.32/x
  3. Step 3: Cross multiply
    1,618.00x = 2,233.91 × 1,244.32
  4. Step 4: Simplify right side
    1,618.00x = 2,779,696.42
  5. Step 5: Solve for x
    x = 2,779,696.42/1,618.00
  6. Step 6: Final answer
    x = 1,717.99

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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.