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Finding the Fourth Proportional to 17,487.88, 26,230.40 and 6,957.48

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Solution

The fourth proportional to 17,487.88, 26,230.40 and 6,957.48 is: 10,435.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,487.88 : 26,230.40 = 6,957.48 : x
  2. Step 2: Convert to fraction form
    17,487.88/26,230.40 = 6,957.48/x
  3. Step 3: Cross multiply
    17,487.88x = 26,230.40 × 6,957.48
  4. Step 4: Simplify right side
    17,487.88x = 182,497,483.39
  5. Step 5: Solve for x
    x = 182,497,483.39/17,487.88
  6. Step 6: Final answer
    x = 10,435.66

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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.