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Finding the Fourth Proportional to 57,528.60, 86,241.60 and 22,460.10

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Solution

The fourth proportional to 57,528.60, 86,241.60 and 22,460.10 is: 33,670.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,528.60 : 86,241.60 = 22,460.10 : x
  2. Step 2: Convert to fraction form
    57,528.60/86,241.60 = 22,460.10/x
  3. Step 3: Cross multiply
    57,528.60x = 86,241.60 × 22,460.10
  4. Step 4: Simplify right side
    57,528.60x = 1,936,994,960.16
  5. Step 5: Solve for x
    x = 1,936,994,960.16/57,528.60
  6. Step 6: Final answer
    x = 33,670.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.