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Finding the Fourth Proportional to 64,884.94, 97,341.82 and 19,912.55

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Solution

The fourth proportional to 64,884.94, 97,341.82 and 19,912.55 is: 29,873.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,884.94 : 97,341.82 = 19,912.55 : x
  2. Step 2: Convert to fraction form
    64,884.94/97,341.82 = 19,912.55/x
  3. Step 3: Cross multiply
    64,884.94x = 97,341.82 × 19,912.55
  4. Step 4: Simplify right side
    64,884.94x = 1,938,323,321.35
  5. Step 5: Solve for x
    x = 1,938,323,321.35/64,884.94
  6. Step 6: Final answer
    x = 29,873.24

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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.