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Finding the Fourth Proportional to 63,693.15, 95,539.95 and 19,320.27

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Solution

The fourth proportional to 63,693.15, 95,539.95 and 19,320.27 is: 28,980.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,693.15 : 95,539.95 = 19,320.27 : x
  2. Step 2: Convert to fraction form
    63,693.15/95,539.95 = 19,320.27/x
  3. Step 3: Cross multiply
    63,693.15x = 95,539.95 × 19,320.27
  4. Step 4: Simplify right side
    63,693.15x = 1,845,857,629.79
  5. Step 5: Solve for x
    x = 1,845,857,629.79/63,693.15
  6. Step 6: Final answer
    x = 28,980.47

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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.