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Finding the Fourth Proportional to 43,530, 60,071.88 and 23,658

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Solution

The fourth proportional to 43,530, 60,071.88 and 23,658 is: 32,648.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,530 : 60,071.88 = 23,658 : x
  2. Step 2: Convert to fraction form
    43,530/60,071.88 = 23,658/x
  3. Step 3: Cross multiply
    43,530x = 60,071.88 × 23,658
  4. Step 4: Simplify right side
    43,530x = 1,421,180,537.04
  5. Step 5: Solve for x
    x = 1,421,180,537.04/43,530
  6. Step 6: Final answer
    x = 32,648.30

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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.