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Finding the Fourth Proportional to 48,385.86, 66,794.94 and 32,279.94

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Solution

The fourth proportional to 48,385.86, 66,794.94 and 32,279.94 is: 44,561.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,385.86 : 66,794.94 = 32,279.94 : x
  2. Step 2: Convert to fraction form
    48,385.86/66,794.94 = 32,279.94/x
  3. Step 3: Cross multiply
    48,385.86x = 66,794.94 × 32,279.94
  4. Step 4: Simplify right side
    48,385.86x = 2,156,136,655.50
  5. Step 5: Solve for x
    x = 2,156,136,655.50/48,385.86
  6. Step 6: Final answer
    x = 44,561.30

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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.