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Finding the Fourth Proportional to 34,046.40, 51,118.20 and 25,784.40

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Solution

The fourth proportional to 34,046.40, 51,118.20 and 25,784.40 is: 38,713.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,046.40 : 51,118.20 = 25,784.40 : x
  2. Step 2: Convert to fraction form
    34,046.40/51,118.20 = 25,784.40/x
  3. Step 3: Cross multiply
    34,046.40x = 51,118.20 × 25,784.40
  4. Step 4: Simplify right side
    34,046.40x = 1,318,052,116.08
  5. Step 5: Solve for x
    x = 1,318,052,116.08/34,046.40
  6. Step 6: Final answer
    x = 38,713.41

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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.