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Finding the Fourth Proportional to 9,355.93, 14,037.99 and 8,650.62

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Solution

The fourth proportional to 9,355.93, 14,037.99 and 8,650.62 is: 12,979.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,355.93 : 14,037.99 = 8,650.62 : x
  2. Step 2: Convert to fraction form
    9,355.93/14,037.99 = 8,650.62/x
  3. Step 3: Cross multiply
    9,355.93x = 14,037.99 × 8,650.62
  4. Step 4: Simplify right side
    9,355.93x = 121,437,317.05
  5. Step 5: Solve for x
    x = 121,437,317.05/9,355.93
  6. Step 6: Final answer
    x = 12,979.72

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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.