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Finding the Fourth Proportional to 63,720.81, 95,575.01 and 19,347.95

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Solution

The fourth proportional to 63,720.81, 95,575.01 and 19,347.95 is: 29,020.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,720.81 : 95,575.01 = 19,347.95 : x
  2. Step 2: Convert to fraction form
    63,720.81/95,575.01 = 19,347.95/x
  3. Step 3: Cross multiply
    63,720.81x = 95,575.01 × 19,347.95
  4. Step 4: Simplify right side
    63,720.81x = 1,849,179,940.11
  5. Step 5: Solve for x
    x = 1,849,179,940.11/63,720.81
  6. Step 6: Final answer
    x = 29,020.03

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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.