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Finding the Fourth Proportional to 50,699.58, 76,051.13 and 17,419.40

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Solution

The fourth proportional to 50,699.58, 76,051.13 and 17,419.40 is: 26,129.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,699.58 : 76,051.13 = 17,419.40 : x
  2. Step 2: Convert to fraction form
    50,699.58/76,051.13 = 17,419.40/x
  3. Step 3: Cross multiply
    50,699.58x = 76,051.13 × 17,419.40
  4. Step 4: Simplify right side
    50,699.58x = 1,324,764,969.75
  5. Step 5: Solve for x
    x = 1,324,764,969.75/50,699.58
  6. Step 6: Final answer
    x = 26,129.70

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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.