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Finding the Fourth Proportional to 9,892.39, 14,836.97 and 3,655.33

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Solution

The fourth proportional to 9,892.39, 14,836.97 and 3,655.33 is: 5,482.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,892.39 : 14,836.97 = 3,655.33 : x
  2. Step 2: Convert to fraction form
    9,892.39/14,836.97 = 3,655.33/x
  3. Step 3: Cross multiply
    9,892.39x = 14,836.97 × 3,655.33
  4. Step 4: Simplify right side
    9,892.39x = 54,234,021.55
  5. Step 5: Solve for x
    x = 54,234,021.55/9,892.39
  6. Step 6: Final answer
    x = 5,482.40

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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.