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Finding the Fourth Proportional to 5,988.65, 8,982.95 and 5,979.98

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Solution

The fourth proportional to 5,988.65, 8,982.95 and 5,979.98 is: 8,969.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,988.65 : 8,982.95 = 5,979.98 : x
  2. Step 2: Convert to fraction form
    5,988.65/8,982.95 = 5,979.98/x
  3. Step 3: Cross multiply
    5,988.65x = 8,982.95 × 5,979.98
  4. Step 4: Simplify right side
    5,988.65x = 53,717,786.53
  5. Step 5: Solve for x
    x = 53,717,786.53/5,988.65
  6. Step 6: Final answer
    x = 8,969.94

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1.5x scale

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.