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Finding the Fourth Proportional to 67,036.62, 100,464.21 and 25,460.94

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Solution

The fourth proportional to 67,036.62, 100,464.21 and 25,460.94 is: 38,156.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,036.62 : 100,464.21 = 25,460.94 : x
  2. Step 2: Convert to fraction form
    67,036.62/100,464.21 = 25,460.94/x
  3. Step 3: Cross multiply
    67,036.62x = 100,464.21 × 25,460.94
  4. Step 4: Simplify right side
    67,036.62x = 2,557,913,222.96
  5. Step 5: Solve for x
    x = 2,557,913,222.96/67,036.62
  6. Step 6: Final answer
    x = 38,156.95

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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.