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Finding the Fourth Proportional to 9,618.62, 14,427.65 and 5,244.62

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Solution

The fourth proportional to 9,618.62, 14,427.65 and 5,244.62 is: 7,866.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,618.62 : 14,427.65 = 5,244.62 : x
  2. Step 2: Convert to fraction form
    9,618.62/14,427.65 = 5,244.62/x
  3. Step 3: Cross multiply
    9,618.62x = 14,427.65 × 5,244.62
  4. Step 4: Simplify right side
    9,618.62x = 75,667,482.72
  5. Step 5: Solve for x
    x = 75,667,482.72/9,618.62
  6. Step 6: Final answer
    x = 7,866.78

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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.