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Finding the Fourth Proportional to 9,550.30, 14,313.30 and 8,505.40

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Solution

The fourth proportional to 9,550.30, 14,313.30 and 8,505.40 is: 12,747.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,550.30 : 14,313.30 = 8,505.40 : x
  2. Step 2: Convert to fraction form
    9,550.30/14,313.30 = 8,505.40/x
  3. Step 3: Cross multiply
    9,550.30x = 14,313.30 × 8,505.40
  4. Step 4: Simplify right side
    9,550.30x = 121,740,341.82
  5. Step 5: Solve for x
    x = 121,740,341.82/9,550.30
  6. Step 6: Final answer
    x = 12,747.28

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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.