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Finding the Fourth Proportional to 40,894.43, 61,342.07 and 14,599.40

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Solution

The fourth proportional to 40,894.43, 61,342.07 and 14,599.40 is: 21,899.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,894.43 : 61,342.07 = 14,599.40 : x
  2. Step 2: Convert to fraction form
    40,894.43/61,342.07 = 14,599.40/x
  3. Step 3: Cross multiply
    40,894.43x = 61,342.07 × 14,599.40
  4. Step 4: Simplify right side
    40,894.43x = 895,557,037.05
  5. Step 5: Solve for x
    x = 895,557,037.05/40,894.43
  6. Step 6: Final answer
    x = 21,899.25

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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.