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Finding the Fourth Proportional to 71,455.52, 98,605.40 and 41,246.22

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Solution

The fourth proportional to 71,455.52, 98,605.40 and 41,246.22 is: 56,917.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,455.52 : 98,605.40 = 41,246.22 : x
  2. Step 2: Convert to fraction form
    71,455.52/98,605.40 = 41,246.22/x
  3. Step 3: Cross multiply
    71,455.52x = 98,605.40 × 41,246.22
  4. Step 4: Simplify right side
    71,455.52x = 4,067,100,021.59
  5. Step 5: Solve for x
    x = 4,067,100,021.59/71,455.52
  6. Step 6: Final answer
    x = 56,917.93

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1.5x scale

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.