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Finding the Fourth Proportional to 9,888.61, 14,834.21 and 3,652.99

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Solution

The fourth proportional to 9,888.61, 14,834.21 and 3,652.99 is: 5,479.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,888.61 : 14,834.21 = 3,652.99 : x
  2. Step 2: Convert to fraction form
    9,888.61/14,834.21 = 3,652.99/x
  3. Step 3: Cross multiply
    9,888.61x = 14,834.21 × 3,652.99
  4. Step 4: Simplify right side
    9,888.61x = 54,189,220.79
  5. Step 5: Solve for x
    x = 54,189,220.79/9,888.61
  6. Step 6: Final answer
    x = 5,479.96

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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.