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Finding the Fourth Proportional to 32,532.80, 48,820.80 and 18,492.80

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Solution

The fourth proportional to 32,532.80, 48,820.80 and 18,492.80 is: 27,751.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,532.80 : 48,820.80 = 18,492.80 : x
  2. Step 2: Convert to fraction form
    32,532.80/48,820.80 = 18,492.80/x
  3. Step 3: Cross multiply
    32,532.80x = 48,820.80 × 18,492.80
  4. Step 4: Simplify right side
    32,532.80x = 902,833,290.24
  5. Step 5: Solve for x
    x = 902,833,290.24/32,532.80
  6. Step 6: Final answer
    x = 27,751.48

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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.