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Finding the Fourth Proportional to 6,434.56, 8,880.06 and 4,859.92

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Solution

The fourth proportional to 6,434.56, 8,880.06 and 4,859.92 is: 6,706.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,434.56 : 8,880.06 = 4,859.92 : x
  2. Step 2: Convert to fraction form
    6,434.56/8,880.06 = 4,859.92/x
  3. Step 3: Cross multiply
    6,434.56x = 8,880.06 × 4,859.92
  4. Step 4: Simplify right side
    6,434.56x = 43,156,381.20
  5. Step 5: Solve for x
    x = 43,156,381.20/6,434.56
  6. Step 6: Final answer
    x = 6,706.97

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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.