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Finding the Fourth Proportional to 32,419.79, 44,739.26 and 17,515.79

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Solution

The fourth proportional to 32,419.79, 44,739.26 and 17,515.79 is: 24,171.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,419.79 : 44,739.26 = 17,515.79 : x
  2. Step 2: Convert to fraction form
    32,419.79/44,739.26 = 17,515.79/x
  3. Step 3: Cross multiply
    32,419.79x = 44,739.26 × 17,515.79
  4. Step 4: Simplify right side
    32,419.79x = 783,643,259.22
  5. Step 5: Solve for x
    x = 783,643,259.22/32,419.79
  6. Step 6: Final answer
    x = 24,171.76

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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.