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Finding the Fourth Proportional to 50,700.75, 76,051.14 and 13,764.75

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Solution

The fourth proportional to 50,700.75, 76,051.14 and 13,764.75 is: 20,647.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,700.75 : 76,051.14 = 13,764.75 : x
  2. Step 2: Convert to fraction form
    50,700.75/76,051.14 = 13,764.75/x
  3. Step 3: Cross multiply
    50,700.75x = 76,051.14 × 13,764.75
  4. Step 4: Simplify right side
    50,700.75x = 1,046,824,929.32
  5. Step 5: Solve for x
    x = 1,046,824,929.32/50,700.75
  6. Step 6: Final answer
    x = 20,647.13

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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.