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Finding the Fourth Proportional to 50,762.65, 76,146.48 and 13,322.83

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Solution

The fourth proportional to 50,762.65, 76,146.48 and 13,322.83 is: 19,984.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,762.65 : 76,146.48 = 13,322.83 : x
  2. Step 2: Convert to fraction form
    50,762.65/76,146.48 = 13,322.83/x
  3. Step 3: Cross multiply
    50,762.65x = 76,146.48 × 13,322.83
  4. Step 4: Simplify right side
    50,762.65x = 1,014,486,608.14
  5. Step 5: Solve for x
    x = 1,014,486,608.14/50,762.65
  6. Step 6: Final answer
    x = 19,984.90

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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.