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Finding the Fourth Proportional to 17,155.84, 25,733.48 and 6,767.68

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Solution

The fourth proportional to 17,155.84, 25,733.48 and 6,767.68 is: 10,151.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,155.84 : 25,733.48 = 6,767.68 : x
  2. Step 2: Convert to fraction form
    17,155.84/25,733.48 = 6,767.68/x
  3. Step 3: Cross multiply
    17,155.84x = 25,733.48 × 6,767.68
  4. Step 4: Simplify right side
    17,155.84x = 174,155,957.93
  5. Step 5: Solve for x
    x = 174,155,957.93/17,155.84
  6. Step 6: Final answer
    x = 10,151.41

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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.