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Finding the Fourth Proportional to 14,403, 21,612.90 and 6,082.52

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Solution

The fourth proportional to 14,403, 21,612.90 and 6,082.52 is: 9,127.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,403 : 21,612.90 = 6,082.52 : x
  2. Step 2: Convert to fraction form
    14,403/21,612.90 = 6,082.52/x
  3. Step 3: Cross multiply
    14,403x = 21,612.90 × 6,082.52
  4. Step 4: Simplify right side
    14,403x = 131,460,896.51
  5. Step 5: Solve for x
    x = 131,460,896.51/14,403
  6. Step 6: Final answer
    x = 9,127.33

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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.