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Finding the Fourth Proportional to 57,851.92, 79,821.03 and 33,973.93

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Solution

The fourth proportional to 57,851.92, 79,821.03 and 33,973.93 is: 46,875.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,851.92 : 79,821.03 = 33,973.93 : x
  2. Step 2: Convert to fraction form
    57,851.92/79,821.03 = 33,973.93/x
  3. Step 3: Cross multiply
    57,851.92x = 79,821.03 × 33,973.93
  4. Step 4: Simplify right side
    57,851.92x = 2,711,834,085.75
  5. Step 5: Solve for x
    x = 2,711,834,085.75/57,851.92
  6. Step 6: Final answer
    x = 46,875.44

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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.