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Finding the Fourth Proportional to 55,604.64, 76,733.82 and 34,385.88

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Solution

The fourth proportional to 55,604.64, 76,733.82 and 34,385.88 is: 47,452.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,604.64 : 76,733.82 = 34,385.88 : x
  2. Step 2: Convert to fraction form
    55,604.64/76,733.82 = 34,385.88/x
  3. Step 3: Cross multiply
    55,604.64x = 76,733.82 × 34,385.88
  4. Step 4: Simplify right side
    55,604.64x = 2,638,559,926.46
  5. Step 5: Solve for x
    x = 2,638,559,926.46/55,604.64
  6. Step 6: Final answer
    x = 47,452.15

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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.