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Finding the Fourth Proportional to 71,326.02, 98,433.02 and 39,494.94

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Solution

The fourth proportional to 71,326.02, 98,433.02 and 39,494.94 is: 54,504.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,326.02 : 98,433.02 = 39,494.94 : x
  2. Step 2: Convert to fraction form
    71,326.02/98,433.02 = 39,494.94/x
  3. Step 3: Cross multiply
    71,326.02x = 98,433.02 × 39,494.94
  4. Step 4: Simplify right side
    71,326.02x = 3,887,606,502.22
  5. Step 5: Solve for x
    x = 3,887,606,502.22/71,326.02
  6. Step 6: Final answer
    x = 54,504.75

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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.