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Finding the Fourth Proportional to 29,035.92, 43,549.78 and 9,311.91

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Solution

The fourth proportional to 29,035.92, 43,549.78 and 9,311.91 is: 13,966.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,035.92 : 43,549.78 = 9,311.91 : x
  2. Step 2: Convert to fraction form
    29,035.92/43,549.78 = 9,311.91/x
  3. Step 3: Cross multiply
    29,035.92x = 43,549.78 × 9,311.91
  4. Step 4: Simplify right side
    29,035.92x = 405,531,681.53
  5. Step 5: Solve for x
    x = 405,531,681.53/29,035.92
  6. Step 6: Final answer
    x = 13,966.55

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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.