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Finding the Fourth Proportional to 50,943.88, 76,376.94 and 19,762.12

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Solution

The fourth proportional to 50,943.88, 76,376.94 and 19,762.12 is: 29,628.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,943.88 : 76,376.94 = 19,762.12 : x
  2. Step 2: Convert to fraction form
    50,943.88/76,376.94 = 19,762.12/x
  3. Step 3: Cross multiply
    50,943.88x = 76,376.94 × 19,762.12
  4. Step 4: Simplify right side
    50,943.88x = 1,509,370,253.51
  5. Step 5: Solve for x
    x = 1,509,370,253.51/50,943.88
  6. Step 6: Final answer
    x = 29,628.10

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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.