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Finding the Fourth Proportional to 76,247.93, 114,327.65 and 28,866.68

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Solution

The fourth proportional to 76,247.93, 114,327.65 and 28,866.68 is: 43,283.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,247.93 : 114,327.65 = 28,866.68 : x
  2. Step 2: Convert to fraction form
    76,247.93/114,327.65 = 28,866.68/x
  3. Step 3: Cross multiply
    76,247.93x = 114,327.65 × 28,866.68
  4. Step 4: Simplify right side
    76,247.93x = 3,300,259,616.96
  5. Step 5: Solve for x
    x = 3,300,259,616.96/76,247.93
  6. Step 6: Final answer
    x = 43,283.27

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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.