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Finding the Fourth Proportional to 8,654.62, 11,936.58 and 6,264.94

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Solution

The fourth proportional to 8,654.62, 11,936.58 and 6,264.94 is: 8,640.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,654.62 : 11,936.58 = 6,264.94 : x
  2. Step 2: Convert to fraction form
    8,654.62/11,936.58 = 6,264.94/x
  3. Step 3: Cross multiply
    8,654.62x = 11,936.58 × 6,264.94
  4. Step 4: Simplify right side
    8,654.62x = 74,781,957.51
  5. Step 5: Solve for x
    x = 74,781,957.51/8,654.62
  6. Step 6: Final answer
    x = 8,640.70

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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.