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Finding the Fourth Proportional to 50,970.96, 76,455.09 and 13,531.14

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Solution

The fourth proportional to 50,970.96, 76,455.09 and 13,531.14 is: 20,296.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,970.96 : 76,455.09 = 13,531.14 : x
  2. Step 2: Convert to fraction form
    50,970.96/76,455.09 = 13,531.14/x
  3. Step 3: Cross multiply
    50,970.96x = 76,455.09 × 13,531.14
  4. Step 4: Simplify right side
    50,970.96x = 1,034,524,526.50
  5. Step 5: Solve for x
    x = 1,034,524,526.50/50,970.96
  6. Step 6: Final answer
    x = 20,296.35

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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.