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Finding the Fourth Proportional to 50,953.60, 76,276.80 and 44,809.60

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Solution

The fourth proportional to 50,953.60, 76,276.80 and 44,809.60 is: 67,079.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,953.60 : 76,276.80 = 44,809.60 : x
  2. Step 2: Convert to fraction form
    50,953.60/76,276.80 = 44,809.60/x
  3. Step 3: Cross multiply
    50,953.60x = 76,276.80 × 44,809.60
  4. Step 4: Simplify right side
    50,953.60x = 3,417,932,897.28
  5. Step 5: Solve for x
    x = 3,417,932,897.28/50,953.60
  6. Step 6: Final answer
    x = 67,079.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.