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Finding the Fourth Proportional to 9,892.96, 14,842.08 and 3,319.84

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Solution

The fourth proportional to 9,892.96, 14,842.08 and 3,319.84 is: 4,980.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,892.96 : 14,842.08 = 3,319.84 : x
  2. Step 2: Convert to fraction form
    9,892.96/14,842.08 = 3,319.84/x
  3. Step 3: Cross multiply
    9,892.96x = 14,842.08 × 3,319.84
  4. Step 4: Simplify right side
    9,892.96x = 49,273,330.87
  5. Step 5: Solve for x
    x = 49,273,330.87/9,892.96
  6. Step 6: Final answer
    x = 4,980.65

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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.