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Finding the Fourth Proportional to 18,952.79, 28,446.70 and 9,599.39

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Solution

The fourth proportional to 18,952.79, 28,446.70 and 9,599.39 is: 14,407.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,952.79 : 28,446.70 = 9,599.39 : x
  2. Step 2: Convert to fraction form
    18,952.79/28,446.70 = 9,599.39/x
  3. Step 3: Cross multiply
    18,952.79x = 28,446.70 × 9,599.39
  4. Step 4: Simplify right side
    18,952.79x = 273,070,801.28
  5. Step 5: Solve for x
    x = 273,070,801.28/18,952.79
  6. Step 6: Final answer
    x = 14,407.95

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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.