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Finding the Fourth Proportional to 74,692.93, 103,074.91 and 40,701.71

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Solution

The fourth proportional to 74,692.93, 103,074.91 and 40,701.71 is: 56,167.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,692.93 : 103,074.91 = 40,701.71 : x
  2. Step 2: Convert to fraction form
    74,692.93/103,074.91 = 40,701.71/x
  3. Step 3: Cross multiply
    74,692.93x = 103,074.91 × 40,701.71
  4. Step 4: Simplify right side
    74,692.93x = 4,195,325,095.10
  5. Step 5: Solve for x
    x = 4,195,325,095.10/74,692.93
  6. Step 6: Final answer
    x = 56,167.63

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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.