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Finding the Fourth Proportional to 57,742.49, 79,692.66 and 32,250.51

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Solution

The fourth proportional to 57,742.49, 79,692.66 and 32,250.51 is: 44,510.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,742.49 : 79,692.66 = 32,250.51 : x
  2. Step 2: Convert to fraction form
    57,742.49/79,692.66 = 32,250.51/x
  3. Step 3: Cross multiply
    57,742.49x = 79,692.66 × 32,250.51
  4. Step 4: Simplify right side
    57,742.49x = 2,570,128,928.26
  5. Step 5: Solve for x
    x = 2,570,128,928.26/57,742.49
  6. Step 6: Final answer
    x = 44,510.19

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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.