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Finding the Fourth Proportional to 11,304.46, 15,600.90 and 10,400.50

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Solution

The fourth proportional to 11,304.46, 15,600.90 and 10,400.50 is: 14,353.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,304.46 : 15,600.90 = 10,400.50 : x
  2. Step 2: Convert to fraction form
    11,304.46/15,600.90 = 10,400.50/x
  3. Step 3: Cross multiply
    11,304.46x = 15,600.90 × 10,400.50
  4. Step 4: Simplify right side
    11,304.46x = 162,257,160.45
  5. Step 5: Solve for x
    x = 162,257,160.45/11,304.46
  6. Step 6: Final answer
    x = 14,353.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.