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Finding the Fourth Proportional to 14,461.62, 19,958.01 and 8,088.80

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Solution

The fourth proportional to 14,461.62, 19,958.01 and 8,088.80 is: 11,163.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,461.62 : 19,958.01 = 8,088.80 : x
  2. Step 2: Convert to fraction form
    14,461.62/19,958.01 = 8,088.80/x
  3. Step 3: Cross multiply
    14,461.62x = 19,958.01 × 8,088.80
  4. Step 4: Simplify right side
    14,461.62x = 161,436,448.46
  5. Step 5: Solve for x
    x = 161,436,448.46/14,461.62
  6. Step 6: Final answer
    x = 11,163.09

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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.