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Finding the Fourth Proportional to 77,679.69, 116,378.66 and 35,594.93

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Solution

The fourth proportional to 77,679.69, 116,378.66 and 35,594.93 is: 53,327.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,679.69 : 116,378.66 = 35,594.93 : x
  2. Step 2: Convert to fraction form
    77,679.69/116,378.66 = 35,594.93/x
  3. Step 3: Cross multiply
    77,679.69x = 116,378.66 × 35,594.93
  4. Step 4: Simplify right side
    77,679.69x = 4,142,489,674.30
  5. Step 5: Solve for x
    x = 4,142,489,674.30/77,679.69
  6. Step 6: Final answer
    x = 53,327.83

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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.