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Finding the Fourth Proportional to 55,566.58, 76,662.84 and 31,675.99

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Solution

The fourth proportional to 55,566.58, 76,662.84 and 31,675.99 is: 43,702.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,566.58 : 76,662.84 = 31,675.99 : x
  2. Step 2: Convert to fraction form
    55,566.58/76,662.84 = 31,675.99/x
  3. Step 3: Cross multiply
    55,566.58x = 76,662.84 × 31,675.99
  4. Step 4: Simplify right side
    55,566.58x = 2,428,371,353.21
  5. Step 5: Solve for x
    x = 2,428,371,353.21/55,566.58
  6. Step 6: Final answer
    x = 43,702.01

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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.