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Finding the Fourth Proportional to 42,245.76, 58,302 and 24,340.32

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Solution

The fourth proportional to 42,245.76, 58,302 and 24,340.32 is: 33,591.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,245.76 : 58,302 = 24,340.32 : x
  2. Step 2: Convert to fraction form
    42,245.76/58,302 = 24,340.32/x
  3. Step 3: Cross multiply
    42,245.76x = 58,302 × 24,340.32
  4. Step 4: Simplify right side
    42,245.76x = 1,419,089,336.64
  5. Step 5: Solve for x
    x = 1,419,089,336.64/42,245.76
  6. Step 6: Final answer
    x = 33,591.28

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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.