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Finding the Fourth Proportional to 17,417.84, 26,123.80 and 5,731.12

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Solution

The fourth proportional to 17,417.84, 26,123.80 and 5,731.12 is: 8,595.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,417.84 : 26,123.80 = 5,731.12 : x
  2. Step 2: Convert to fraction form
    17,417.84/26,123.80 = 5,731.12/x
  3. Step 3: Cross multiply
    17,417.84x = 26,123.80 × 5,731.12
  4. Step 4: Simplify right side
    17,417.84x = 149,718,632.66
  5. Step 5: Solve for x
    x = 149,718,632.66/17,417.84
  6. Step 6: Final answer
    x = 8,595.71

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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.