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Finding the Fourth Proportional to 45,354.02, 62,619.09 and 40,559.09

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Solution

The fourth proportional to 45,354.02, 62,619.09 and 40,559.09 is: 55,998.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,354.02 : 62,619.09 = 40,559.09 : x
  2. Step 2: Convert to fraction form
    45,354.02/62,619.09 = 40,559.09/x
  3. Step 3: Cross multiply
    45,354.02x = 62,619.09 × 40,559.09
  4. Step 4: Simplify right side
    45,354.02x = 2,539,773,307.03
  5. Step 5: Solve for x
    x = 2,539,773,307.03/45,354.02
  6. Step 6: Final answer
    x = 55,998.86

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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.