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Finding the Fourth Proportional to 71,596.88, 107,387.12 and 19,010.48

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Solution

The fourth proportional to 71,596.88, 107,387.12 and 19,010.48 is: 28,513.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,596.88 : 107,387.12 = 19,010.48 : x
  2. Step 2: Convert to fraction form
    71,596.88/107,387.12 = 19,010.48/x
  3. Step 3: Cross multiply
    71,596.88x = 107,387.12 × 19,010.48
  4. Step 4: Simplify right side
    71,596.88x = 2,041,480,697.02
  5. Step 5: Solve for x
    x = 2,041,480,697.02/71,596.88
  6. Step 6: Final answer
    x = 28,513.54

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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.