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Finding the Fourth Proportional to 40,194.88, 60,292.76 and 19,136.88

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Solution

The fourth proportional to 40,194.88, 60,292.76 and 19,136.88 is: 28,705.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,194.88 : 60,292.76 = 19,136.88 : x
  2. Step 2: Convert to fraction form
    40,194.88/60,292.76 = 19,136.88/x
  3. Step 3: Cross multiply
    40,194.88x = 60,292.76 × 19,136.88
  4. Step 4: Simplify right side
    40,194.88x = 1,153,815,312.99
  5. Step 5: Solve for x
    x = 1,153,815,312.99/40,194.88
  6. Step 6: Final answer
    x = 28,705.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.