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Finding the Fourth Proportional to 17,628.60, 26,489.70 and 9,737.40

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Solution

The fourth proportional to 17,628.60, 26,489.70 and 9,737.40 is: 14,631.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,628.60 : 26,489.70 = 9,737.40 : x
  2. Step 2: Convert to fraction form
    17,628.60/26,489.70 = 9,737.40/x
  3. Step 3: Cross multiply
    17,628.60x = 26,489.70 × 9,737.40
  4. Step 4: Simplify right side
    17,628.60x = 257,940,804.78
  5. Step 5: Solve for x
    x = 257,940,804.78/17,628.60
  6. Step 6: Final answer
    x = 14,631.95

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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.