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Finding the Fourth Proportional to 11,950.65, 17,925.98 and 3,630.64

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Solution

The fourth proportional to 11,950.65, 17,925.98 and 3,630.64 is: 5,445.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,950.65 : 17,925.98 = 3,630.64 : x
  2. Step 2: Convert to fraction form
    11,950.65/17,925.98 = 3,630.64/x
  3. Step 3: Cross multiply
    11,950.65x = 17,925.98 × 3,630.64
  4. Step 4: Simplify right side
    11,950.65x = 65,082,717.06
  5. Step 5: Solve for x
    x = 65,082,717.06/11,950.65
  6. Step 6: Final answer
    x = 5,445.96

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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.