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Finding the Fourth Proportional to 1,889.38, 2,833.58 and 590.18

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Solution

The fourth proportional to 1,889.38, 2,833.58 and 590.18 is: 885.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889.38 : 2,833.58 = 590.18 : x
  2. Step 2: Convert to fraction form
    1,889.38/2,833.58 = 590.18/x
  3. Step 3: Cross multiply
    1,889.38x = 2,833.58 × 590.18
  4. Step 4: Simplify right side
    1,889.38x = 1,672,322.24
  5. Step 5: Solve for x
    x = 1,672,322.24/1,889.38
  6. Step 6: Final answer
    x = 885.12

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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.