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Finding the Fourth Proportional to 64,575.82, 96,710.64 and 41,131.18

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Solution

The fourth proportional to 64,575.82, 96,710.64 and 41,131.18 is: 61,599.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,575.82 : 96,710.64 = 41,131.18 : x
  2. Step 2: Convert to fraction form
    64,575.82/96,710.64 = 41,131.18/x
  3. Step 3: Cross multiply
    64,575.82x = 96,710.64 × 41,131.18
  4. Step 4: Simplify right side
    64,575.82x = 3,977,822,741.76
  5. Step 5: Solve for x
    x = 3,977,822,741.76/64,575.82
  6. Step 6: Final answer
    x = 61,599.26

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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.