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Finding the Fourth Proportional to 51,773.04, 77,694.12 and 28,415.88

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Solution

The fourth proportional to 51,773.04, 77,694.12 and 28,415.88 is: 42,642.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,773.04 : 77,694.12 = 28,415.88 : x
  2. Step 2: Convert to fraction form
    51,773.04/77,694.12 = 28,415.88/x
  3. Step 3: Cross multiply
    51,773.04x = 77,694.12 × 28,415.88
  4. Step 4: Simplify right side
    51,773.04x = 2,207,746,790.63
  5. Step 5: Solve for x
    x = 2,207,746,790.63/51,773.04
  6. Step 6: Final answer
    x = 42,642.79

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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.