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Finding the Fourth Proportional to 19,497.64, 29,246.46 and 5,646.64

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Solution

The fourth proportional to 19,497.64, 29,246.46 and 5,646.64 is: 8,469.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,497.64 : 29,246.46 = 5,646.64 : x
  2. Step 2: Convert to fraction form
    19,497.64/29,246.46 = 5,646.64/x
  3. Step 3: Cross multiply
    19,497.64x = 29,246.46 × 5,646.64
  4. Step 4: Simplify right side
    19,497.64x = 165,144,230.89
  5. Step 5: Solve for x
    x = 165,144,230.89/19,497.64
  6. Step 6: Final answer
    x = 8,469.96

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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.