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Finding the Fourth Proportional to 52,992.76, 73,130.88 and 29,120.44

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Solution

The fourth proportional to 52,992.76, 73,130.88 and 29,120.44 is: 40,186.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,992.76 : 73,130.88 = 29,120.44 : x
  2. Step 2: Convert to fraction form
    52,992.76/73,130.88 = 29,120.44/x
  3. Step 3: Cross multiply
    52,992.76x = 73,130.88 × 29,120.44
  4. Step 4: Simplify right side
    52,992.76x = 2,129,603,403.19
  5. Step 5: Solve for x
    x = 2,129,603,403.19/52,992.76
  6. Step 6: Final answer
    x = 40,186.69

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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.