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Finding the Fourth Proportional to 8,936.01, 12,331.17 and 4,957.02

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Solution

The fourth proportional to 8,936.01, 12,331.17 and 4,957.02 is: 6,840.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,936.01 : 12,331.17 = 4,957.02 : x
  2. Step 2: Convert to fraction form
    8,936.01/12,331.17 = 4,957.02/x
  3. Step 3: Cross multiply
    8,936.01x = 12,331.17 × 4,957.02
  4. Step 4: Simplify right side
    8,936.01x = 61,125,856.31
  5. Step 5: Solve for x
    x = 61,125,856.31/8,936.01
  6. Step 6: Final answer
    x = 6,840.40

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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.