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Finding the Fourth Proportional to 34,885.56, 48,143.34 and 19,984.44

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Solution

The fourth proportional to 34,885.56, 48,143.34 and 19,984.44 is: 27,579.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,885.56 : 48,143.34 = 19,984.44 : x
  2. Step 2: Convert to fraction form
    34,885.56/48,143.34 = 19,984.44/x
  3. Step 3: Cross multiply
    34,885.56x = 48,143.34 × 19,984.44
  4. Step 4: Simplify right side
    34,885.56x = 962,117,689.63
  5. Step 5: Solve for x
    x = 962,117,689.63/34,885.56
  6. Step 6: Final answer
    x = 27,579.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.