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Finding the Fourth Proportional to 71,759.04, 99,026.24 and 39,927.04

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Solution

The fourth proportional to 71,759.04, 99,026.24 and 39,927.04 is: 55,098.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,759.04 : 99,026.24 = 39,927.04 : x
  2. Step 2: Convert to fraction form
    71,759.04/99,026.24 = 39,927.04/x
  3. Step 3: Cross multiply
    71,759.04x = 99,026.24 × 39,927.04
  4. Step 4: Simplify right side
    71,759.04x = 3,953,824,645.53
  5. Step 5: Solve for x
    x = 3,953,824,645.53/71,759.04
  6. Step 6: Final answer
    x = 55,098.63

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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.