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Finding the Fourth Proportional to 10,633.43, 15,928.95 and 7,293.49

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Solution

The fourth proportional to 10,633.43, 15,928.95 and 7,293.49 is: 10,925.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,633.43 : 15,928.95 = 7,293.49 : x
  2. Step 2: Convert to fraction form
    10,633.43/15,928.95 = 7,293.49/x
  3. Step 3: Cross multiply
    10,633.43x = 15,928.95 × 7,293.49
  4. Step 4: Simplify right side
    10,633.43x = 116,177,714.66
  5. Step 5: Solve for x
    x = 116,177,714.66/10,633.43
  6. Step 6: Final answer
    x = 10,925.71

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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.