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Finding the Fourth Proportional to 15,452.40, 23,173.20 and 8,054.40

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Solution

The fourth proportional to 15,452.40, 23,173.20 and 8,054.40 is: 12,078.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,452.40 : 23,173.20 = 8,054.40 : x
  2. Step 2: Convert to fraction form
    15,452.40/23,173.20 = 8,054.40/x
  3. Step 3: Cross multiply
    15,452.40x = 23,173.20 × 8,054.40
  4. Step 4: Simplify right side
    15,452.40x = 186,646,222.08
  5. Step 5: Solve for x
    x = 186,646,222.08/15,452.40
  6. Step 6: Final answer
    x = 12,078.79

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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.