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Finding the Fourth Proportional to 27,604.81, 38,098.08 and 15,672.01

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Solution

The fourth proportional to 27,604.81, 38,098.08 and 15,672.01 is: 21,629.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,604.81 : 38,098.08 = 15,672.01 : x
  2. Step 2: Convert to fraction form
    27,604.81/38,098.08 = 15,672.01/x
  3. Step 3: Cross multiply
    27,604.81x = 38,098.08 × 15,672.01
  4. Step 4: Simplify right side
    27,604.81x = 597,073,490.74
  5. Step 5: Solve for x
    x = 597,073,490.74/27,604.81
  6. Step 6: Final answer
    x = 21,629.33

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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.