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Finding the Fourth Proportional to 8,460.92, 11,675.93 and 4,684.01

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Solution

The fourth proportional to 8,460.92, 11,675.93 and 4,684.01 is: 6,463.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,460.92 : 11,675.93 = 4,684.01 : x
  2. Step 2: Convert to fraction form
    8,460.92/11,675.93 = 4,684.01/x
  3. Step 3: Cross multiply
    8,460.92x = 11,675.93 × 4,684.01
  4. Step 4: Simplify right side
    8,460.92x = 54,690,172.88
  5. Step 5: Solve for x
    x = 54,690,172.88/8,460.92
  6. Step 6: Final answer
    x = 6,463.86

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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.