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Finding the Fourth Proportional to 17,897.45, 24,698.78 and 9,831.85

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Solution

The fourth proportional to 17,897.45, 24,698.78 and 9,831.85 is: 13,568.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,897.45 : 24,698.78 = 9,831.85 : x
  2. Step 2: Convert to fraction form
    17,897.45/24,698.78 = 9,831.85/x
  3. Step 3: Cross multiply
    17,897.45x = 24,698.78 × 9,831.85
  4. Step 4: Simplify right side
    17,897.45x = 242,834,700.14
  5. Step 5: Solve for x
    x = 242,834,700.14/17,897.45
  6. Step 6: Final answer
    x = 13,568.12

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.