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Finding the Fourth Proportional to 15,968.57, 22,037.31 and 8,894.99

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Solution

The fourth proportional to 15,968.57, 22,037.31 and 8,894.99 is: 12,275.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,968.57 : 22,037.31 = 8,894.99 : x
  2. Step 2: Convert to fraction form
    15,968.57/22,037.31 = 8,894.99/x
  3. Step 3: Cross multiply
    15,968.57x = 22,037.31 × 8,894.99
  4. Step 4: Simplify right side
    15,968.57x = 196,021,652.08
  5. Step 5: Solve for x
    x = 196,021,652.08/15,968.57
  6. Step 6: Final answer
    x = 12,275.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.