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Finding the Fourth Proportional to 32,751.86, 45,197.73 and 19,140.69

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Solution

The fourth proportional to 32,751.86, 45,197.73 and 19,140.69 is: 26,414.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,751.86 : 45,197.73 = 19,140.69 : x
  2. Step 2: Convert to fraction form
    32,751.86/45,197.73 = 19,140.69/x
  3. Step 3: Cross multiply
    32,751.86x = 45,197.73 × 19,140.69
  4. Step 4: Simplify right side
    32,751.86x = 865,115,653.89
  5. Step 5: Solve for x
    x = 865,115,653.89/32,751.86
  6. Step 6: Final answer
    x = 26,414.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.