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Finding the Fourth Proportional to 56,638.62, 84,957.21 and 17,194.23

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Solution

The fourth proportional to 56,638.62, 84,957.21 and 17,194.23 is: 25,791.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,638.62 : 84,957.21 = 17,194.23 : x
  2. Step 2: Convert to fraction form
    56,638.62/84,957.21 = 17,194.23/x
  3. Step 3: Cross multiply
    56,638.62x = 84,957.21 × 17,194.23
  4. Step 4: Simplify right side
    56,638.62x = 1,460,773,808.90
  5. Step 5: Solve for x
    x = 1,460,773,808.90/56,638.62
  6. Step 6: Final answer
    x = 25,791.13

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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.