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Finding the Fourth Proportional to 34,010.94, 50,931.56 and 21,493.20

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Solution

The fourth proportional to 34,010.94, 50,931.56 and 21,493.20 is: 32,186.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,010.94 : 50,931.56 = 21,493.20 : x
  2. Step 2: Convert to fraction form
    34,010.94/50,931.56 = 21,493.20/x
  3. Step 3: Cross multiply
    34,010.94x = 50,931.56 × 21,493.20
  4. Step 4: Simplify right side
    34,010.94x = 1,094,682,259.13
  5. Step 5: Solve for x
    x = 1,094,682,259.13/34,010.94
  6. Step 6: Final answer
    x = 32,186.18

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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.