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Finding the Fourth Proportional to 8,884.23, 12,260.02 and 4,905.30

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Solution

The fourth proportional to 8,884.23, 12,260.02 and 4,905.30 is: 6,769.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,884.23 : 12,260.02 = 4,905.30 : x
  2. Step 2: Convert to fraction form
    8,884.23/12,260.02 = 4,905.30/x
  3. Step 3: Cross multiply
    8,884.23x = 12,260.02 × 4,905.30
  4. Step 4: Simplify right side
    8,884.23x = 60,139,076.11
  5. Step 5: Solve for x
    x = 60,139,076.11/8,884.23
  6. Step 6: Final answer
    x = 6,769.19

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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.