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Finding the Fourth Proportional to 18,459.50, 27,644.01 and 16,684.46

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Solution

The fourth proportional to 18,459.50, 27,644.01 and 16,684.46 is: 24,985.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,459.50 : 27,644.01 = 16,684.46 : x
  2. Step 2: Convert to fraction form
    18,459.50/27,644.01 = 16,684.46/x
  3. Step 3: Cross multiply
    18,459.50x = 27,644.01 × 16,684.46
  4. Step 4: Simplify right side
    18,459.50x = 461,225,379.08
  5. Step 5: Solve for x
    x = 461,225,379.08/18,459.50
  6. Step 6: Final answer
    x = 24,985.80

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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.