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Finding the Fourth Proportional to 48,758.76, 67,291.86 and 29,636.86

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Solution

The fourth proportional to 48,758.76, 67,291.86 and 29,636.86 is: 40,901.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,758.76 : 67,291.86 = 29,636.86 : x
  2. Step 2: Convert to fraction form
    48,758.76/67,291.86 = 29,636.86/x
  3. Step 3: Cross multiply
    48,758.76x = 67,291.86 × 29,636.86
  4. Step 4: Simplify right side
    48,758.76x = 1,994,319,692.30
  5. Step 5: Solve for x
    x = 1,994,319,692.30/48,758.76
  6. Step 6: Final answer
    x = 40,901.77

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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.