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Finding the Fourth Proportional to 17,684.70, 26,378.04 and 16,459.98

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Solution

The fourth proportional to 17,684.70, 26,378.04 and 16,459.98 is: 24,551.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,684.70 : 26,378.04 = 16,459.98 : x
  2. Step 2: Convert to fraction form
    17,684.70/26,378.04 = 16,459.98/x
  3. Step 3: Cross multiply
    17,684.70x = 26,378.04 × 16,459.98
  4. Step 4: Simplify right side
    17,684.70x = 434,182,010.84
  5. Step 5: Solve for x
    x = 434,182,010.84/17,684.70
  6. Step 6: Final answer
    x = 24,551.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.