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Finding the Fourth Proportional to 29,141.60, 43,707.06 and 7,794.59

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Solution

The fourth proportional to 29,141.60, 43,707.06 and 7,794.59 is: 11,690.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,141.60 : 43,707.06 = 7,794.59 : x
  2. Step 2: Convert to fraction form
    29,141.60/43,707.06 = 7,794.59/x
  3. Step 3: Cross multiply
    29,141.60x = 43,707.06 × 7,794.59
  4. Step 4: Simplify right side
    29,141.60x = 340,678,394.27
  5. Step 5: Solve for x
    x = 340,678,394.27/29,141.60
  6. Step 6: Final answer
    x = 11,690.45

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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.