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Finding the Fourth Proportional to 57,971.54, 79,999.84 and 32,478.82

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Solution

The fourth proportional to 57,971.54, 79,999.84 and 32,478.82 is: 44,820.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,971.54 : 79,999.84 = 32,478.82 : x
  2. Step 2: Convert to fraction form
    57,971.54/79,999.84 = 32,478.82/x
  3. Step 3: Cross multiply
    57,971.54x = 79,999.84 × 32,478.82
  4. Step 4: Simplify right side
    57,971.54x = 2,598,300,403.39
  5. Step 5: Solve for x
    x = 2,598,300,403.39/57,971.54
  6. Step 6: Final answer
    x = 44,820.28

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1.5x scale

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.