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Finding the Fourth Proportional to 57,580.08, 86,175.03 and 35,407.50

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Solution

The fourth proportional to 57,580.08, 86,175.03 and 35,407.50 is: 52,991.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,580.08 : 86,175.03 = 35,407.50 : x
  2. Step 2: Convert to fraction form
    57,580.08/86,175.03 = 35,407.50/x
  3. Step 3: Cross multiply
    57,580.08x = 86,175.03 × 35,407.50
  4. Step 4: Simplify right side
    57,580.08x = 3,051,242,374.73
  5. Step 5: Solve for x
    x = 3,051,242,374.73/57,580.08
  6. Step 6: Final answer
    x = 52,991.28

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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.