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Finding the Fourth Proportional to 50,829.80, 76,252.80 and 21,232.40

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Solution

The fourth proportional to 50,829.80, 76,252.80 and 21,232.40 is: 31,851.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,829.80 : 76,252.80 = 21,232.40 : x
  2. Step 2: Convert to fraction form
    50,829.80/76,252.80 = 21,232.40/x
  3. Step 3: Cross multiply
    50,829.80x = 76,252.80 × 21,232.40
  4. Step 4: Simplify right side
    50,829.80x = 1,619,029,950.72
  5. Step 5: Solve for x
    x = 1,619,029,950.72/50,829.80
  6. Step 6: Final answer
    x = 31,851.98

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1.5x scale

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.