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Finding the Fourth Proportional to 59,097.60, 81,584.80 and 45,638.64

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Solution

The fourth proportional to 59,097.60, 81,584.80 and 45,638.64 is: 63,004.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,097.60 : 81,584.80 = 45,638.64 : x
  2. Step 2: Convert to fraction form
    59,097.60/81,584.80 = 45,638.64/x
  3. Step 3: Cross multiply
    59,097.60x = 81,584.80 × 45,638.64
  4. Step 4: Simplify right side
    59,097.60x = 3,723,419,316.67
  5. Step 5: Solve for x
    x = 3,723,419,316.67/59,097.60
  6. Step 6: Final answer
    x = 63,004.58

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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.