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Finding the Fourth Proportional to 17,817.58, 24,588.44 and 9,859.98

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Solution

The fourth proportional to 17,817.58, 24,588.44 and 9,859.98 is: 13,606.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,817.58 : 24,588.44 = 9,859.98 : x
  2. Step 2: Convert to fraction form
    17,817.58/24,588.44 = 9,859.98/x
  3. Step 3: Cross multiply
    17,817.58x = 24,588.44 × 9,859.98
  4. Step 4: Simplify right side
    17,817.58x = 242,441,526.63
  5. Step 5: Solve for x
    x = 242,441,526.63/17,817.58
  6. Step 6: Final answer
    x = 13,606.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.