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Finding the Fourth Proportional to 77,794.66, 116,666.01 and 30,397.41

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Solution

The fourth proportional to 77,794.66, 116,666.01 and 30,397.41 is: 45,585.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,794.66 : 116,666.01 = 30,397.41 : x
  2. Step 2: Convert to fraction form
    77,794.66/116,666.01 = 30,397.41/x
  3. Step 3: Cross multiply
    77,794.66x = 116,666.01 × 30,397.41
  4. Step 4: Simplify right side
    77,794.66x = 3,546,344,539.03
  5. Step 5: Solve for x
    x = 3,546,344,539.03/77,794.66
  6. Step 6: Final answer
    x = 45,585.96

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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.