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Finding the Fourth Proportional to 23,159.88, 34,739.75 and 8,368.79

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Solution

The fourth proportional to 23,159.88, 34,739.75 and 8,368.79 is: 12,553.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,159.88 : 34,739.75 = 8,368.79 : x
  2. Step 2: Convert to fraction form
    23,159.88/34,739.75 = 8,368.79/x
  3. Step 3: Cross multiply
    23,159.88x = 34,739.75 × 8,368.79
  4. Step 4: Simplify right side
    23,159.88x = 290,729,519.63
  5. Step 5: Solve for x
    x = 290,729,519.63/23,159.88
  6. Step 6: Final answer
    x = 12,553.15

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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.