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Finding the Fourth Proportional to 29,851.40, 44,777.10 and 28,539.20

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Solution

The fourth proportional to 29,851.40, 44,777.10 and 28,539.20 is: 42,808.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,851.40 : 44,777.10 = 28,539.20 : x
  2. Step 2: Convert to fraction form
    29,851.40/44,777.10 = 28,539.20/x
  3. Step 3: Cross multiply
    29,851.40x = 44,777.10 × 28,539.20
  4. Step 4: Simplify right side
    29,851.40x = 1,277,902,612.32
  5. Step 5: Solve for x
    x = 1,277,902,612.32/29,851.40
  6. Step 6: Final answer
    x = 42,808.80

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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.