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Finding the Fourth Proportional to 8,315.92, 11,475.93 and 4,589.92

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Solution

The fourth proportional to 8,315.92, 11,475.93 and 4,589.92 is: 6,334.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315.92 : 11,475.93 = 4,589.92 : x
  2. Step 2: Convert to fraction form
    8,315.92/11,475.93 = 4,589.92/x
  3. Step 3: Cross multiply
    8,315.92x = 11,475.93 × 4,589.92
  4. Step 4: Simplify right side
    8,315.92x = 52,673,600.63
  5. Step 5: Solve for x
    x = 52,673,600.63/8,315.92
  6. Step 6: Final answer
    x = 6,334.07

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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.