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Finding the Fourth Proportional to 63,420.68, 95,106.54 and 19,037

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Solution

The fourth proportional to 63,420.68, 95,106.54 and 19,037 is: 28,548.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,420.68 : 95,106.54 = 19,037 : x
  2. Step 2: Convert to fraction form
    63,420.68/95,106.54 = 19,037/x
  3. Step 3: Cross multiply
    63,420.68x = 95,106.54 × 19,037
  4. Step 4: Simplify right side
    63,420.68x = 1,810,543,201.98
  5. Step 5: Solve for x
    x = 1,810,543,201.98/63,420.68
  6. Step 6: Final answer
    x = 28,548.15

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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.