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Finding the Fourth Proportional to 14,166.92, 21,383.54 and 14,166.92

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Solution

The fourth proportional to 14,166.92, 21,383.54 and 14,166.92 is: 21,383.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,166.92 : 21,383.54 = 14,166.92 : x
  2. Step 2: Convert to fraction form
    14,166.92/21,383.54 = 14,166.92/x
  3. Step 3: Cross multiply
    14,166.92x = 21,383.54 × 14,166.92
  4. Step 4: Simplify right side
    14,166.92x = 302,938,900.50
  5. Step 5: Solve for x
    x = 302,938,900.50/14,166.92
  6. Step 6: Final answer
    x = 21,383.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.