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Finding the Fourth Proportional to 14,614.00, 20,167.51 and 8,645.51

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Solution

The fourth proportional to 14,614.00, 20,167.51 and 8,645.51 is: 11,930.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,614.00 : 20,167.51 = 8,645.51 : x
  2. Step 2: Convert to fraction form
    14,614.00/20,167.51 = 8,645.51/x
  3. Step 3: Cross multiply
    14,614.00x = 20,167.51 × 8,645.51
  4. Step 4: Simplify right side
    14,614.00x = 174,358,409.38
  5. Step 5: Solve for x
    x = 174,358,409.38/14,614.00
  6. Step 6: Final answer
    x = 11,930.92

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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.