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Finding the Fourth Proportional to 34,321.43, 47,330.30 and 26,765

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Solution

The fourth proportional to 34,321.43, 47,330.30 and 26,765 is: 36,909.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,321.43 : 47,330.30 = 26,765 : x
  2. Step 2: Convert to fraction form
    34,321.43/47,330.30 = 26,765/x
  3. Step 3: Cross multiply
    34,321.43x = 47,330.30 × 26,765
  4. Step 4: Simplify right side
    34,321.43x = 1,266,795,479.50
  5. Step 5: Solve for x
    x = 1,266,795,479.50/34,321.43
  6. Step 6: Final answer
    x = 36,909.75

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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.