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Finding the Fourth Proportional to 11,925.59, 17,890.04 and 3,604.66

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Solution

The fourth proportional to 11,925.59, 17,890.04 and 3,604.66 is: 5,407.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,925.59 : 17,890.04 = 3,604.66 : x
  2. Step 2: Convert to fraction form
    11,925.59/17,890.04 = 3,604.66/x
  3. Step 3: Cross multiply
    11,925.59x = 17,890.04 × 3,604.66
  4. Step 4: Simplify right side
    11,925.59x = 64,487,475.87
  5. Step 5: Solve for x
    x = 64,487,475.87/11,925.59
  6. Step 6: Final answer
    x = 5,407.49

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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.