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Finding the Fourth Proportional to 19,527.68, 29,310.72 and 14,318.72

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Solution

The fourth proportional to 19,527.68, 29,310.72 and 14,318.72 is: 21,492.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,527.68 : 29,310.72 = 14,318.72 : x
  2. Step 2: Convert to fraction form
    19,527.68/29,310.72 = 14,318.72/x
  3. Step 3: Cross multiply
    19,527.68x = 29,310.72 × 14,318.72
  4. Step 4: Simplify right side
    19,527.68x = 419,691,992.68
  5. Step 5: Solve for x
    x = 419,691,992.68/19,527.68
  6. Step 6: Final answer
    x = 21,492.16

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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.