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Finding the Fourth Proportional to 18,554.60, 25,604.43 and 10,488.08

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Solution

The fourth proportional to 18,554.60, 25,604.43 and 10,488.08 is: 14,473.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,554.60 : 25,604.43 = 10,488.08 : x
  2. Step 2: Convert to fraction form
    18,554.60/25,604.43 = 10,488.08/x
  3. Step 3: Cross multiply
    18,554.60x = 25,604.43 × 10,488.08
  4. Step 4: Simplify right side
    18,554.60x = 268,541,310.19
  5. Step 5: Solve for x
    x = 268,541,310.19/18,554.60
  6. Step 6: Final answer
    x = 14,473.03

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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.