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Finding the Fourth Proportional to 6,762.29, 10,143.43 and 5,673.65

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Solution

The fourth proportional to 6,762.29, 10,143.43 and 5,673.65 is: 8,510.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,762.29 : 10,143.43 = 5,673.65 : x
  2. Step 2: Convert to fraction form
    6,762.29/10,143.43 = 5,673.65/x
  3. Step 3: Cross multiply
    6,762.29x = 10,143.43 × 5,673.65
  4. Step 4: Simplify right side
    6,762.29x = 57,550,206.72
  5. Step 5: Solve for x
    x = 57,550,206.72/6,762.29
  6. Step 6: Final answer
    x = 8,510.47

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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.