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Finding the Fourth Proportional to 18,497.77, 25,529.78 and 14,548.82

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Solution

The fourth proportional to 18,497.77, 25,529.78 and 14,548.82 is: 20,079.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,497.77 : 25,529.78 = 14,548.82 : x
  2. Step 2: Convert to fraction form
    18,497.77/25,529.78 = 14,548.82/x
  3. Step 3: Cross multiply
    18,497.77x = 25,529.78 × 14,548.82
  4. Step 4: Simplify right side
    18,497.77x = 371,428,082.58
  5. Step 5: Solve for x
    x = 371,428,082.58/18,497.77
  6. Step 6: Final answer
    x = 20,079.62

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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.