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Finding the Fourth Proportional to 15,803.30, 23,723.28 and 9,234.20

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Solution

The fourth proportional to 15,803.30, 23,723.28 and 9,234.20 is: 13,862.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,803.30 : 23,723.28 = 9,234.20 : x
  2. Step 2: Convert to fraction form
    15,803.30/23,723.28 = 9,234.20/x
  3. Step 3: Cross multiply
    15,803.30x = 23,723.28 × 9,234.20
  4. Step 4: Simplify right side
    15,803.30x = 219,065,571.48
  5. Step 5: Solve for x
    x = 219,065,571.48/15,803.30
  6. Step 6: Final answer
    x = 13,862.01

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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.