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Finding the Fourth Proportional to 60,826.80, 91,216.88 and 29,228.08

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Solution

The fourth proportional to 60,826.80, 91,216.88 and 29,228.08 is: 43,830.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,826.80 : 91,216.88 = 29,228.08 : x
  2. Step 2: Convert to fraction form
    60,826.80/91,216.88 = 29,228.08/x
  3. Step 3: Cross multiply
    60,826.80x = 91,216.88 × 29,228.08
  4. Step 4: Simplify right side
    60,826.80x = 2,666,094,265.99
  5. Step 5: Solve for x
    x = 2,666,094,265.99/60,826.80
  6. Step 6: Final answer
    x = 43,830.91

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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.