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Finding the Fourth Proportional to 9,708.48, 14,550.28 and 8,453.92

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Solution

The fourth proportional to 9,708.48, 14,550.28 and 8,453.92 is: 12,670.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,708.48 : 14,550.28 = 8,453.92 : x
  2. Step 2: Convert to fraction form
    9,708.48/14,550.28 = 8,453.92/x
  3. Step 3: Cross multiply
    9,708.48x = 14,550.28 × 8,453.92
  4. Step 4: Simplify right side
    9,708.48x = 123,006,903.10
  5. Step 5: Solve for x
    x = 123,006,903.10/9,708.48
  6. Step 6: Final answer
    x = 12,670.05

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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.