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Finding the Fourth Proportional to 45,755.56, 63,182.07 and 28,788.08

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Solution

The fourth proportional to 45,755.56, 63,182.07 and 28,788.08 is: 39,752.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,755.56 : 63,182.07 = 28,788.08 : x
  2. Step 2: Convert to fraction form
    45,755.56/63,182.07 = 28,788.08/x
  3. Step 3: Cross multiply
    45,755.56x = 63,182.07 × 28,788.08
  4. Step 4: Simplify right side
    45,755.56x = 1,818,890,485.73
  5. Step 5: Solve for x
    x = 1,818,890,485.73/45,755.56
  6. Step 6: Final answer
    x = 39,752.34

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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.