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Finding the Fourth Proportional to 64,254.53, 96,391.01 and 19,884.75

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Solution

The fourth proportional to 64,254.53, 96,391.01 and 19,884.75 is: 29,829.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,254.53 : 96,391.01 = 19,884.75 : x
  2. Step 2: Convert to fraction form
    64,254.53/96,391.01 = 19,884.75/x
  3. Step 3: Cross multiply
    64,254.53x = 96,391.01 × 19,884.75
  4. Step 4: Simplify right side
    64,254.53x = 1,916,711,136.10
  5. Step 5: Solve for x
    x = 1,916,711,136.10/64,254.53
  6. Step 6: Final answer
    x = 29,829.98

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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.