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Finding the Fourth Proportional to 58,426, 80,628 and 33,275.56

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Solution

The fourth proportional to 58,426, 80,628 and 33,275.56 is: 45,920.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,426 : 80,628 = 33,275.56 : x
  2. Step 2: Convert to fraction form
    58,426/80,628 = 33,275.56/x
  3. Step 3: Cross multiply
    58,426x = 80,628 × 33,275.56
  4. Step 4: Simplify right side
    58,426x = 2,682,941,851.68
  5. Step 5: Solve for x
    x = 2,682,941,851.68/58,426
  6. Step 6: Final answer
    x = 45,920.34

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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.