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Finding the Fourth Proportional to 9,811.94, 14,718.81 and 3,572.61

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Solution

The fourth proportional to 9,811.94, 14,718.81 and 3,572.61 is: 5,359.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,811.94 : 14,718.81 = 3,572.61 : x
  2. Step 2: Convert to fraction form
    9,811.94/14,718.81 = 3,572.61/x
  3. Step 3: Cross multiply
    9,811.94x = 14,718.81 × 3,572.61
  4. Step 4: Simplify right side
    9,811.94x = 52,584,526.00
  5. Step 5: Solve for x
    x = 52,584,526.00/9,811.94
  6. Step 6: Final answer
    x = 5,359.24

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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.