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Finding the Fourth Proportional to 62,855.60, 86,741.04 and 34,563.10

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Solution

The fourth proportional to 62,855.60, 86,741.04 and 34,563.10 is: 47,697.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,855.60 : 86,741.04 = 34,563.10 : x
  2. Step 2: Convert to fraction form
    62,855.60/86,741.04 = 34,563.10/x
  3. Step 3: Cross multiply
    62,855.60x = 86,741.04 × 34,563.10
  4. Step 4: Simplify right side
    62,855.60x = 2,998,039,239.62
  5. Step 5: Solve for x
    x = 2,998,039,239.62/62,855.60
  6. Step 6: Final answer
    x = 47,697.25

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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.