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Finding the Fourth Proportional to 63,431.68, 95,123.04 and 19,048

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Solution

The fourth proportional to 63,431.68, 95,123.04 and 19,048 is: 28,564.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,431.68 : 95,123.04 = 19,048 : x
  2. Step 2: Convert to fraction form
    63,431.68/95,123.04 = 19,048/x
  3. Step 3: Cross multiply
    63,431.68x = 95,123.04 × 19,048
  4. Step 4: Simplify right side
    63,431.68x = 1,811,903,665.92
  5. Step 5: Solve for x
    x = 1,811,903,665.92/63,431.68
  6. Step 6: Final answer
    x = 28,564.65

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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.