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Finding the Fourth Proportional to 34,859.88, 52,292.52 and 20,914.92

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Solution

The fourth proportional to 34,859.88, 52,292.52 and 20,914.92 is: 31,374.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,859.88 : 52,292.52 = 20,914.92 : x
  2. Step 2: Convert to fraction form
    34,859.88/52,292.52 = 20,914.92/x
  3. Step 3: Cross multiply
    34,859.88x = 52,292.52 × 20,914.92
  4. Step 4: Simplify right side
    34,859.88x = 1,093,693,872.40
  5. Step 5: Solve for x
    x = 1,093,693,872.40/34,859.88
  6. Step 6: Final answer
    x = 31,374.00

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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.