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Finding the Fourth Proportional to 57,903.80, 79,910.89 and 33,705.32

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Solution

The fourth proportional to 57,903.80, 79,910.89 and 33,705.32 is: 46,515.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,903.80 : 79,910.89 = 33,705.32 : x
  2. Step 2: Convert to fraction form
    57,903.80/79,910.89 = 33,705.32/x
  3. Step 3: Cross multiply
    57,903.80x = 79,910.89 × 33,705.32
  4. Step 4: Simplify right side
    57,903.80x = 2,693,421,635.12
  5. Step 5: Solve for x
    x = 2,693,421,635.12/57,903.80
  6. Step 6: Final answer
    x = 46,515.46

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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.