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Finding the Fourth Proportional to 13,304.97, 18,360.98 and 7,336.86

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Solution

The fourth proportional to 13,304.97, 18,360.98 and 7,336.86 is: 10,124.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,304.97 : 18,360.98 = 7,336.86 : x
  2. Step 2: Convert to fraction form
    13,304.97/18,360.98 = 7,336.86/x
  3. Step 3: Cross multiply
    13,304.97x = 18,360.98 × 7,336.86
  4. Step 4: Simplify right side
    13,304.97x = 134,711,939.72
  5. Step 5: Solve for x
    x = 134,711,939.72/13,304.97
  6. Step 6: Final answer
    x = 10,124.93

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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.