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Finding the Fourth Proportional to 1,888.79, 2,833.32 and 590.25

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Solution

The fourth proportional to 1,888.79, 2,833.32 and 590.25 is: 885.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888.79 : 2,833.32 = 590.25 : x
  2. Step 2: Convert to fraction form
    1,888.79/2,833.32 = 590.25/x
  3. Step 3: Cross multiply
    1,888.79x = 2,833.32 × 590.25
  4. Step 4: Simplify right side
    1,888.79x = 1,672,367.13
  5. Step 5: Solve for x
    x = 1,672,367.13/1,888.79
  6. Step 6: Final answer
    x = 885.42

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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.