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Finding the Fourth Proportional to 50,909.60, 70,291.68 and 33,953.88

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Solution

The fourth proportional to 50,909.60, 70,291.68 and 33,953.88 is: 46,880.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,909.60 : 70,291.68 = 33,953.88 : x
  2. Step 2: Convert to fraction form
    50,909.60/70,291.68 = 33,953.88/x
  3. Step 3: Cross multiply
    50,909.60x = 70,291.68 × 33,953.88
  4. Step 4: Simplify right side
    50,909.60x = 2,386,675,267.72
  5. Step 5: Solve for x
    x = 2,386,675,267.72/50,909.60
  6. Step 6: Final answer
    x = 46,880.65

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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.