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Finding the Fourth Proportional to 19,527.60, 29,226.60 and 13,695.60

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Solution

The fourth proportional to 19,527.60, 29,226.60 and 13,695.60 is: 20,497.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,527.60 : 29,226.60 = 13,695.60 : x
  2. Step 2: Convert to fraction form
    19,527.60/29,226.60 = 13,695.60/x
  3. Step 3: Cross multiply
    19,527.60x = 29,226.60 × 13,695.60
  4. Step 4: Simplify right side
    19,527.60x = 400,275,822.96
  5. Step 5: Solve for x
    x = 400,275,822.96/19,527.60
  6. Step 6: Final answer
    x = 20,497.95

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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.