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Finding the Fourth Proportional to 8,790.65, 13,195.08 and 5,889.23

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Solution

The fourth proportional to 8,790.65, 13,195.08 and 5,889.23 is: 8,839.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,790.65 : 13,195.08 = 5,889.23 : x
  2. Step 2: Convert to fraction form
    8,790.65/13,195.08 = 5,889.23/x
  3. Step 3: Cross multiply
    8,790.65x = 13,195.08 × 5,889.23
  4. Step 4: Simplify right side
    8,790.65x = 77,708,795.01
  5. Step 5: Solve for x
    x = 77,708,795.01/8,790.65
  6. Step 6: Final answer
    x = 8,839.94

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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.