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Finding the Fourth Proportional to 71,354.63, 98,469.39 and 39,525.59

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Solution

The fourth proportional to 71,354.63, 98,469.39 and 39,525.59 is: 54,545.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,354.63 : 98,469.39 = 39,525.59 : x
  2. Step 2: Convert to fraction form
    71,354.63/98,469.39 = 39,525.59/x
  3. Step 3: Cross multiply
    71,354.63x = 98,469.39 × 39,525.59
  4. Step 4: Simplify right side
    71,354.63x = 3,892,060,244.34
  5. Step 5: Solve for x
    x = 3,892,060,244.34/71,354.63
  6. Step 6: Final answer
    x = 54,545.31

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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.