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Finding the Fourth Proportional to 19,548.98, 29,318.96 and 11,653.71

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Solution

The fourth proportional to 19,548.98, 29,318.96 and 11,653.71 is: 17,477.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,548.98 : 29,318.96 = 11,653.71 : x
  2. Step 2: Convert to fraction form
    19,548.98/29,318.96 = 11,653.71/x
  3. Step 3: Cross multiply
    19,548.98x = 29,318.96 × 11,653.71
  4. Step 4: Simplify right side
    19,548.98x = 341,674,576.53
  5. Step 5: Solve for x
    x = 341,674,576.53/19,548.98
  6. Step 6: Final answer
    x = 17,477.87

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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.