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Finding the Fourth Proportional to 40,704.54, 61,017.90 and 25,867.50

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Solution

The fourth proportional to 40,704.54, 61,017.90 and 25,867.50 is: 38,776.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,704.54 : 61,017.90 = 25,867.50 : x
  2. Step 2: Convert to fraction form
    40,704.54/61,017.90 = 25,867.50/x
  3. Step 3: Cross multiply
    40,704.54x = 61,017.90 × 25,867.50
  4. Step 4: Simplify right side
    40,704.54x = 1,578,380,528.25
  5. Step 5: Solve for x
    x = 1,578,380,528.25/40,704.54
  6. Step 6: Final answer
    x = 38,776.52

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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.