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Finding the Fourth Proportional to 18,549.84, 25,583.88 and 16,306.92

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Solution

The fourth proportional to 18,549.84, 25,583.88 and 16,306.92 is: 22,490.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,549.84 : 25,583.88 = 16,306.92 : x
  2. Step 2: Convert to fraction form
    18,549.84/25,583.88 = 16,306.92/x
  3. Step 3: Cross multiply
    18,549.84x = 25,583.88 × 16,306.92
  4. Step 4: Simplify right side
    18,549.84x = 417,194,284.45
  5. Step 5: Solve for x
    x = 417,194,284.45/18,549.84
  6. Step 6: Final answer
    x = 22,490.45

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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.