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Finding the Fourth Proportional to 15,294.15, 22,939.95 and 4,763.73

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Solution

The fourth proportional to 15,294.15, 22,939.95 and 4,763.73 is: 7,145.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,294.15 : 22,939.95 = 4,763.73 : x
  2. Step 2: Convert to fraction form
    15,294.15/22,939.95 = 4,763.73/x
  3. Step 3: Cross multiply
    15,294.15x = 22,939.95 × 4,763.73
  4. Step 4: Simplify right side
    15,294.15x = 109,279,728.01
  5. Step 5: Solve for x
    x = 109,279,728.01/15,294.15
  6. Step 6: Final answer
    x = 7,145.20

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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.