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Finding the Fourth Proportional to 9,430.68, 14,076.87 and 8,323.68

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Solution

The fourth proportional to 9,430.68, 14,076.87 and 8,323.68 is: 12,424.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,430.68 : 14,076.87 = 8,323.68 : x
  2. Step 2: Convert to fraction form
    9,430.68/14,076.87 = 8,323.68/x
  3. Step 3: Cross multiply
    9,430.68x = 14,076.87 × 8,323.68
  4. Step 4: Simplify right side
    9,430.68x = 117,171,361.28
  5. Step 5: Solve for x
    x = 117,171,361.28/9,430.68
  6. Step 6: Final answer
    x = 12,424.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.