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Finding the Fourth Proportional to 8,988.94, 13,488.59 and 3,723.00

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Solution

The fourth proportional to 8,988.94, 13,488.59 and 3,723.00 is: 5,586.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,988.94 : 13,488.59 = 3,723.00 : x
  2. Step 2: Convert to fraction form
    8,988.94/13,488.59 = 3,723.00/x
  3. Step 3: Cross multiply
    8,988.94x = 13,488.59 × 3,723.00
  4. Step 4: Simplify right side
    8,988.94x = 50,217,979.30
  5. Step 5: Solve for x
    x = 50,217,979.30/8,988.94
  6. Step 6: Final answer
    x = 5,586.64

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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.