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Finding the Fourth Proportional to 3,326.51, 4,590.53 and 1,834.57

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Solution

The fourth proportional to 3,326.51, 4,590.53 and 1,834.57 is: 2,531.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.51 : 4,590.53 = 1,834.57 : x
  2. Step 2: Convert to fraction form
    3,326.51/4,590.53 = 1,834.57/x
  3. Step 3: Cross multiply
    3,326.51x = 4,590.53 × 1,834.57
  4. Step 4: Simplify right side
    3,326.51x = 8,421,645.19
  5. Step 5: Solve for x
    x = 8,421,645.19/3,326.51
  6. Step 6: Final answer
    x = 2,531.67

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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.