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Finding the Fourth Proportional to 5,653.15, 8,476.88 and 3,313.71

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Solution

The fourth proportional to 5,653.15, 8,476.88 and 3,313.71 is: 4,968.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,653.15 : 8,476.88 = 3,313.71 : x
  2. Step 2: Convert to fraction form
    5,653.15/8,476.88 = 3,313.71/x
  3. Step 3: Cross multiply
    5,653.15x = 8,476.88 × 3,313.71
  4. Step 4: Simplify right side
    5,653.15x = 28,089,905.46
  5. Step 5: Solve for x
    x = 28,089,905.46/5,653.15
  6. Step 6: Final answer
    x = 4,968.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.