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Finding the Fourth Proportional to 29,830.64, 44,752.34 and 18,751.67

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Solution

The fourth proportional to 29,830.64, 44,752.34 and 18,751.67 is: 28,131.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,830.64 : 44,752.34 = 18,751.67 : x
  2. Step 2: Convert to fraction form
    29,830.64/44,752.34 = 18,751.67/x
  3. Step 3: Cross multiply
    29,830.64x = 44,752.34 × 18,751.67
  4. Step 4: Simplify right side
    29,830.64x = 839,181,111.41
  5. Step 5: Solve for x
    x = 839,181,111.41/29,830.64
  6. Step 6: Final answer
    x = 28,131.52

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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.