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Finding the Fourth Proportional to 56,616.44, 84,915.18 and 17,164.12

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Solution

The fourth proportional to 56,616.44, 84,915.18 and 17,164.12 is: 25,743.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,616.44 : 84,915.18 = 17,164.12 : x
  2. Step 2: Convert to fraction form
    56,616.44/84,915.18 = 17,164.12/x
  3. Step 3: Cross multiply
    56,616.44x = 84,915.18 × 17,164.12
  4. Step 4: Simplify right side
    56,616.44x = 1,457,494,339.34
  5. Step 5: Solve for x
    x = 1,457,494,339.34/56,616.44
  6. Step 6: Final answer
    x = 25,743.31

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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.