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Finding the Fourth Proportional to 71,059.68, 98,012.23 and 45,573.44

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Solution

The fourth proportional to 71,059.68, 98,012.23 and 45,573.44 is: 62,859.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,059.68 : 98,012.23 = 45,573.44 : x
  2. Step 2: Convert to fraction form
    71,059.68/98,012.23 = 45,573.44/x
  3. Step 3: Cross multiply
    71,059.68x = 98,012.23 × 45,573.44
  4. Step 4: Simplify right side
    71,059.68x = 4,466,753,879.18
  5. Step 5: Solve for x
    x = 4,466,753,879.18/71,059.68
  6. Step 6: Final answer
    x = 62,859.19

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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.