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Finding the Fourth Proportional to 15,349.20, 22,975.20 and 14,863.20

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Solution

The fourth proportional to 15,349.20, 22,975.20 and 14,863.20 is: 22,247.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,349.20 : 22,975.20 = 14,863.20 : x
  2. Step 2: Convert to fraction form
    15,349.20/22,975.20 = 14,863.20/x
  3. Step 3: Cross multiply
    15,349.20x = 22,975.20 × 14,863.20
  4. Step 4: Simplify right side
    15,349.20x = 341,484,992.64
  5. Step 5: Solve for x
    x = 341,484,992.64/15,349.20
  6. Step 6: Final answer
    x = 22,247.74

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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.