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Finding the Fourth Proportional to 18,792.54, 25,932.69 and 10,293.08

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Solution

The fourth proportional to 18,792.54, 25,932.69 and 10,293.08 is: 14,203.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,792.54 : 25,932.69 = 10,293.08 : x
  2. Step 2: Convert to fraction form
    18,792.54/25,932.69 = 10,293.08/x
  3. Step 3: Cross multiply
    18,792.54x = 25,932.69 × 10,293.08
  4. Step 4: Simplify right side
    18,792.54x = 266,927,123.12
  5. Step 5: Solve for x
    x = 266,927,123.12/18,792.54
  6. Step 6: Final answer
    x = 14,203.89

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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.