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Finding the Fourth Proportional to 50,010.01, 68,990.68 and 28,776.98

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Solution

The fourth proportional to 50,010.01, 68,990.68 and 28,776.98 is: 39,698.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,010.01 : 68,990.68 = 28,776.98 : x
  2. Step 2: Convert to fraction form
    50,010.01/68,990.68 = 28,776.98/x
  3. Step 3: Cross multiply
    50,010.01x = 68,990.68 × 28,776.98
  4. Step 4: Simplify right side
    50,010.01x = 1,985,343,418.55
  5. Step 5: Solve for x
    x = 1,985,343,418.55/50,010.01
  6. Step 6: Final answer
    x = 39,698.92

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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.