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Finding the Fourth Proportional to 18,352.20, 27,506.70 and 9,582.60

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Solution

The fourth proportional to 18,352.20, 27,506.70 and 9,582.60 is: 14,362.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,352.20 : 27,506.70 = 9,582.60 : x
  2. Step 2: Convert to fraction form
    18,352.20/27,506.70 = 9,582.60/x
  3. Step 3: Cross multiply
    18,352.20x = 27,506.70 × 9,582.60
  4. Step 4: Simplify right side
    18,352.20x = 263,585,703.42
  5. Step 5: Solve for x
    x = 263,585,703.42/18,352.20
  6. Step 6: Final answer
    x = 14,362.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.