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Finding the Fourth Proportional to 53,375.80, 79,998.95 and 39,204.42

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Solution

The fourth proportional to 53,375.80, 79,998.95 and 39,204.42 is: 58,759.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,375.80 : 79,998.95 = 39,204.42 : x
  2. Step 2: Convert to fraction form
    53,375.80/79,998.95 = 39,204.42/x
  3. Step 3: Cross multiply
    53,375.80x = 79,998.95 × 39,204.42
  4. Step 4: Simplify right side
    53,375.80x = 3,136,312,435.36
  5. Step 5: Solve for x
    x = 3,136,312,435.36/53,375.80
  6. Step 6: Final answer
    x = 58,759.08

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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.