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Finding the Fourth Proportional to 32,483.40, 44,804.10 and 21,132

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Solution

The fourth proportional to 32,483.40, 44,804.10 and 21,132 is: 29,147.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,483.40 : 44,804.10 = 21,132 : x
  2. Step 2: Convert to fraction form
    32,483.40/44,804.10 = 21,132/x
  3. Step 3: Cross multiply
    32,483.40x = 44,804.10 × 21,132
  4. Step 4: Simplify right side
    32,483.40x = 946,800,241.20
  5. Step 5: Solve for x
    x = 946,800,241.20/32,483.40
  6. Step 6: Final answer
    x = 29,147.20

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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.