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Finding the Fourth Proportional to 14,591.62, 21,855.99 and 9,885.81

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Solution

The fourth proportional to 14,591.62, 21,855.99 and 9,885.81 is: 14,807.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,591.62 : 21,855.99 = 9,885.81 : x
  2. Step 2: Convert to fraction form
    14,591.62/21,855.99 = 9,885.81/x
  3. Step 3: Cross multiply
    14,591.62x = 21,855.99 × 9,885.81
  4. Step 4: Simplify right side
    14,591.62x = 216,064,149.62
  5. Step 5: Solve for x
    x = 216,064,149.62/14,591.62
  6. Step 6: Final answer
    x = 14,807.41

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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.