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Finding the Fourth Proportional to 57,354.76, 79,130.82 and 33,478.12

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Solution

The fourth proportional to 57,354.76, 79,130.82 and 33,478.12 is: 46,188.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,354.76 : 79,130.82 = 33,478.12 : x
  2. Step 2: Convert to fraction form
    57,354.76/79,130.82 = 33,478.12/x
  3. Step 3: Cross multiply
    57,354.76x = 79,130.82 × 33,478.12
  4. Step 4: Simplify right side
    57,354.76x = 2,649,151,087.66
  5. Step 5: Solve for x
    x = 2,649,151,087.66/57,354.76
  6. Step 6: Final answer
    x = 46,188.86

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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.