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Finding the Fourth Proportional to 9,756.72, 14,643.36 and 4,831.92

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Solution

The fourth proportional to 9,756.72, 14,643.36 and 4,831.92 is: 7,251.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,756.72 : 14,643.36 = 4,831.92 : x
  2. Step 2: Convert to fraction form
    9,756.72/14,643.36 = 4,831.92/x
  3. Step 3: Cross multiply
    9,756.72x = 14,643.36 × 4,831.92
  4. Step 4: Simplify right side
    9,756.72x = 70,755,544.05
  5. Step 5: Solve for x
    x = 70,755,544.05/9,756.72
  6. Step 6: Final answer
    x = 7,251.98

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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.