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Finding the Fourth Proportional to 15,300.40, 22,952.22 and 13,375.84

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Solution

The fourth proportional to 15,300.40, 22,952.22 and 13,375.84 is: 20,065.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,300.40 : 22,952.22 = 13,375.84 : x
  2. Step 2: Convert to fraction form
    15,300.40/22,952.22 = 13,375.84/x
  3. Step 3: Cross multiply
    15,300.40x = 22,952.22 × 13,375.84
  4. Step 4: Simplify right side
    15,300.40x = 307,005,222.36
  5. Step 5: Solve for x
    x = 307,005,222.36/15,300.40
  6. Step 6: Final answer
    x = 20,065.18

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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.