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Finding the Fourth Proportional to 58,609.36, 87,928.44 and 17,056.72

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Solution

The fourth proportional to 58,609.36, 87,928.44 and 17,056.72 is: 25,589.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,609.36 : 87,928.44 = 17,056.72 : x
  2. Step 2: Convert to fraction form
    58,609.36/87,928.44 = 17,056.72/x
  3. Step 3: Cross multiply
    58,609.36x = 87,928.44 × 17,056.72
  4. Step 4: Simplify right side
    58,609.36x = 1,499,770,781.12
  5. Step 5: Solve for x
    x = 1,499,770,781.12/58,609.36
  6. Step 6: Final answer
    x = 25,589.27

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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.