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Finding the Fourth Proportional to 17,488.49, 26,236.49 and 5,642.94

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Solution

The fourth proportional to 17,488.49, 26,236.49 and 5,642.94 is: 8,465.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,488.49 : 26,236.49 = 5,642.94 : x
  2. Step 2: Convert to fraction form
    17,488.49/26,236.49 = 5,642.94/x
  3. Step 3: Cross multiply
    17,488.49x = 26,236.49 × 5,642.94
  4. Step 4: Simplify right side
    17,488.49x = 148,050,931.83
  5. Step 5: Solve for x
    x = 148,050,931.83/17,488.49
  6. Step 6: Final answer
    x = 8,465.62

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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.