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Finding the Fourth Proportional to 58,661.20, 87,965.88 and 17,111.44

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Solution

The fourth proportional to 58,661.20, 87,965.88 and 17,111.44 is: 25,659.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,661.20 : 87,965.88 = 17,111.44 : x
  2. Step 2: Convert to fraction form
    58,661.20/87,965.88 = 17,111.44/x
  3. Step 3: Cross multiply
    58,661.20x = 87,965.88 × 17,111.44
  4. Step 4: Simplify right side
    58,661.20x = 1,505,222,877.67
  5. Step 5: Solve for x
    x = 1,505,222,877.67/58,661.20
  6. Step 6: Final answer
    x = 25,659.60

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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.