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Finding the Fourth Proportional to 14,599.81, 21,906.87 and 9,051.69

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Solution

The fourth proportional to 14,599.81, 21,906.87 and 9,051.69 is: 13,581.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,599.81 : 21,906.87 = 9,051.69 : x
  2. Step 2: Convert to fraction form
    14,599.81/21,906.87 = 9,051.69/x
  3. Step 3: Cross multiply
    14,599.81x = 21,906.87 × 9,051.69
  4. Step 4: Simplify right side
    14,599.81x = 198,294,196.11
  5. Step 5: Solve for x
    x = 198,294,196.11/14,599.81
  6. Step 6: Final answer
    x = 13,581.97

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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.