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Finding the Fourth Proportional to 34,361.73, 51,526.28 and 13,311.63

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Solution

The fourth proportional to 34,361.73, 51,526.28 and 13,311.63 is: 19,961.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,361.73 : 51,526.28 = 13,311.63 : x
  2. Step 2: Convert to fraction form
    34,361.73/51,526.28 = 13,311.63/x
  3. Step 3: Cross multiply
    34,361.73x = 51,526.28 × 13,311.63
  4. Step 4: Simplify right side
    34,361.73x = 685,898,708.08
  5. Step 5: Solve for x
    x = 685,898,708.08/34,361.73
  6. Step 6: Final answer
    x = 19,961.12

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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.