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Finding the Fourth Proportional to 48,820.80, 73,233.60 and 25,492.80

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Solution

The fourth proportional to 48,820.80, 73,233.60 and 25,492.80 is: 38,240.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,820.80 : 73,233.60 = 25,492.80 : x
  2. Step 2: Convert to fraction form
    48,820.80/73,233.60 = 25,492.80/x
  3. Step 3: Cross multiply
    48,820.80x = 73,233.60 × 25,492.80
  4. Step 4: Simplify right side
    48,820.80x = 1,866,929,518.08
  5. Step 5: Solve for x
    x = 1,866,929,518.08/48,820.80
  6. Step 6: Final answer
    x = 38,240.45

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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.