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Finding the Fourth Proportional to 31,212.76, 46,797.27 and 11,488.76

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Solution

The fourth proportional to 31,212.76, 46,797.27 and 11,488.76 is: 17,225.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,212.76 : 46,797.27 = 11,488.76 : x
  2. Step 2: Convert to fraction form
    31,212.76/46,797.27 = 11,488.76/x
  3. Step 3: Cross multiply
    31,212.76x = 46,797.27 × 11,488.76
  4. Step 4: Simplify right side
    31,212.76x = 537,642,603.69
  5. Step 5: Solve for x
    x = 537,642,603.69/31,212.76
  6. Step 6: Final answer
    x = 17,225.09

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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.