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Finding the Fourth Proportional to 10,056.79, 13,879.02 and 5,808.64

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Solution

The fourth proportional to 10,056.79, 13,879.02 and 5,808.64 is: 8,016.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,056.79 : 13,879.02 = 5,808.64 : x
  2. Step 2: Convert to fraction form
    10,056.79/13,879.02 = 5,808.64/x
  3. Step 3: Cross multiply
    10,056.79x = 13,879.02 × 5,808.64
  4. Step 4: Simplify right side
    10,056.79x = 80,618,230.73
  5. Step 5: Solve for x
    x = 80,618,230.73/10,056.79
  6. Step 6: Final answer
    x = 8,016.30

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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.