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Finding the Fourth Proportional to 17,829.52, 26,688.24 and 12,250.24

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Solution

The fourth proportional to 17,829.52, 26,688.24 and 12,250.24 is: 18,336.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,829.52 : 26,688.24 = 12,250.24 : x
  2. Step 2: Convert to fraction form
    17,829.52/26,688.24 = 12,250.24/x
  3. Step 3: Cross multiply
    17,829.52x = 26,688.24 × 12,250.24
  4. Step 4: Simplify right side
    17,829.52x = 326,937,345.18
  5. Step 5: Solve for x
    x = 326,937,345.18/17,829.52
  6. Step 6: Final answer
    x = 18,336.86

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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.