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Finding the Fourth Proportional to 40,699.40, 60,930.30 and 29,035.40

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Solution

The fourth proportional to 40,699.40, 60,930.30 and 29,035.40 is: 43,468.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,699.40 : 60,930.30 = 29,035.40 : x
  2. Step 2: Convert to fraction form
    40,699.40/60,930.30 = 29,035.40/x
  3. Step 3: Cross multiply
    40,699.40x = 60,930.30 × 29,035.40
  4. Step 4: Simplify right side
    40,699.40x = 1,769,135,632.62
  5. Step 5: Solve for x
    x = 1,769,135,632.62/40,699.40
  6. Step 6: Final answer
    x = 43,468.35

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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.