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Finding the Fourth Proportional to 7,667.65, 10,581.09 and 4,264.65

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Solution

The fourth proportional to 7,667.65, 10,581.09 and 4,264.65 is: 5,885.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,667.65 : 10,581.09 = 4,264.65 : x
  2. Step 2: Convert to fraction form
    7,667.65/10,581.09 = 4,264.65/x
  3. Step 3: Cross multiply
    7,667.65x = 10,581.09 × 4,264.65
  4. Step 4: Simplify right side
    7,667.65x = 45,124,571.24
  5. Step 5: Solve for x
    x = 45,124,571.24/7,667.65
  6. Step 6: Final answer
    x = 5,885.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.