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Finding the Fourth Proportional to 48,822.61, 67,375.47 and 28,416.77

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Solution

The fourth proportional to 48,822.61, 67,375.47 and 28,416.77 is: 39,215.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,822.61 : 67,375.47 = 28,416.77 : x
  2. Step 2: Convert to fraction form
    48,822.61/67,375.47 = 28,416.77/x
  3. Step 3: Cross multiply
    48,822.61x = 67,375.47 × 28,416.77
  4. Step 4: Simplify right side
    48,822.61x = 1,914,593,234.63
  5. Step 5: Solve for x
    x = 1,914,593,234.63/48,822.61
  6. Step 6: Final answer
    x = 39,215.30

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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.