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Finding the Fourth Proportional to 34,984.88, 48,270.84 and 19,877.84

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Solution

The fourth proportional to 34,984.88, 48,270.84 and 19,877.84 is: 27,426.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,984.88 : 48,270.84 = 19,877.84 : x
  2. Step 2: Convert to fraction form
    34,984.88/48,270.84 = 19,877.84/x
  3. Step 3: Cross multiply
    34,984.88x = 48,270.84 × 19,877.84
  4. Step 4: Simplify right side
    34,984.88x = 959,520,034.19
  5. Step 5: Solve for x
    x = 959,520,034.19/34,984.88
  6. Step 6: Final answer
    x = 27,426.71

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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.