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Finding the Fourth Proportional to 40,403.40, 60,692.40 and 34,175.76

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Solution

The fourth proportional to 40,403.40, 60,692.40 and 34,175.76 is: 51,337.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,403.40 : 60,692.40 = 34,175.76 : x
  2. Step 2: Convert to fraction form
    40,403.40/60,692.40 = 34,175.76/x
  3. Step 3: Cross multiply
    40,403.40x = 60,692.40 × 34,175.76
  4. Step 4: Simplify right side
    40,403.40x = 2,074,208,896.22
  5. Step 5: Solve for x
    x = 2,074,208,896.22/40,403.40
  6. Step 6: Final answer
    x = 51,337.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.