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Finding the Fourth Proportional to 60,826.80, 91,250.28 and 21,373.68

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Solution

The fourth proportional to 60,826.80, 91,250.28 and 21,373.68 is: 32,064.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,826.80 : 91,250.28 = 21,373.68 : x
  2. Step 2: Convert to fraction form
    60,826.80/91,250.28 = 21,373.68/x
  3. Step 3: Cross multiply
    60,826.80x = 91,250.28 × 21,373.68
  4. Step 4: Simplify right side
    60,826.80x = 1,950,354,284.63
  5. Step 5: Solve for x
    x = 1,950,354,284.63/60,826.80
  6. Step 6: Final answer
    x = 32,064.06

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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.