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Finding the Fourth Proportional to 57,430.54, 79,242.54 and 33,552.60

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Solution

The fourth proportional to 57,430.54, 79,242.54 and 33,552.60 is: 46,295.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,430.54 : 79,242.54 = 33,552.60 : x
  2. Step 2: Convert to fraction form
    57,430.54/79,242.54 = 33,552.60/x
  3. Step 3: Cross multiply
    57,430.54x = 79,242.54 × 33,552.60
  4. Step 4: Simplify right side
    57,430.54x = 2,658,793,381.80
  5. Step 5: Solve for x
    x = 2,658,793,381.80/57,430.54
  6. Step 6: Final answer
    x = 46,295.81

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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.