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Finding the Fourth Proportional to 4,887.84, 6,745.92 and 3,706.92

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Solution

The fourth proportional to 4,887.84, 6,745.92 and 3,706.92 is: 5,116.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.84 : 6,745.92 = 3,706.92 : x
  2. Step 2: Convert to fraction form
    4,887.84/6,745.92 = 3,706.92/x
  3. Step 3: Cross multiply
    4,887.84x = 6,745.92 × 3,706.92
  4. Step 4: Simplify right side
    4,887.84x = 25,006,585.77
  5. Step 5: Solve for x
    x = 25,006,585.77/4,887.84
  6. Step 6: Final answer
    x = 5,116.08

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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.