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Finding the Fourth Proportional to 31,292.40, 46,897.02 and 11,552.70

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Solution

The fourth proportional to 31,292.40, 46,897.02 and 11,552.70 is: 17,313.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,292.40 : 46,897.02 = 11,552.70 : x
  2. Step 2: Convert to fraction form
    31,292.40/46,897.02 = 11,552.70/x
  3. Step 3: Cross multiply
    31,292.40x = 46,897.02 × 11,552.70
  4. Step 4: Simplify right side
    31,292.40x = 541,787,202.95
  5. Step 5: Solve for x
    x = 541,787,202.95/31,292.40
  6. Step 6: Final answer
    x = 17,313.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.