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Finding the Fourth Proportional to 8,346.94, 12,532.93 and 7,945.68

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Solution

The fourth proportional to 8,346.94, 12,532.93 and 7,945.68 is: 11,930.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,346.94 : 12,532.93 = 7,945.68 : x
  2. Step 2: Convert to fraction form
    8,346.94/12,532.93 = 7,945.68/x
  3. Step 3: Cross multiply
    8,346.94x = 12,532.93 × 7,945.68
  4. Step 4: Simplify right side
    8,346.94x = 99,582,651.24
  5. Step 5: Solve for x
    x = 99,582,651.24/8,346.94
  6. Step 6: Final answer
    x = 11,930.45

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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.